Rhino rebuild curve Mar 16, 2023 · Is there a command to rebuild a curve and repair geometry? As you see the curve creates no proper results during pipe command. more In this tutorial series you will learn "Rhino 3D' from beginner to advanced level. Oct 9, 2017 · Digital fabricator here, having to cut measure and alter complex curves to fit hand-built geometry. A NURBS curve on success or None on failure. SEE MY BASICS COURSE https://www. Same applies for imported curves from Illustrator that seem to work as I would delete some corner points for further use. 6 KB) Red is rhino rebuild curve Sep 26, 2023 · How to prevent zigzags during curve rebuild? This is WIP but v7 looks same. Oct 16, 2025 · In Rhino 9, Rebuild uses the new adaptive rebuild technology of Elmo that was announced last year. (Rhino represents volumes by the boundary surfaces, and each boundary surface has an independent UV parameter system. Select the Point Cloud created above and run Trimmed vs. Tutorial by Kory Bieg. Aug 31, 2025 · The Rebuild command reconstructs selected curves or surfaces to a specified degree and control point number. I keep seeing people rebuild curves and changing the points. Is there a similar tool to use? My aim is to rebuild a curve based on arcs and i like to control the tolerance between both elements Thanks Thomas Nov 14, 2025 · The CurveThroughPt command fits a curve through a selected point objects. Choose options from the rebuild curve dialog box. Uniform guarantees that every control point affects the surface exactly the same way, no matter how much the surface is edited. In my opinion, it would be interesting to be able at least to get this results: 1172×795 106 KB That makes depending on the shape and the approach to get automatically a better May 13, 2016 · Rhino does not use W, only U and V for surfaces and only U for curves. and after about an hour of work my curves are disgusting. Some curves may need smoothing (Smooth command). The UI improvements to v8 are impressive. How would I fix asymmetrical rebuild results? Thanks in advance. 12 Convert to lines and arcs, simplify lines and curves, and closed open polylines (4:12) 5. Couldn’t the code do something similar, under the hood? Nov 8, 2016 · I try to keep the curves as polylines as smoothing them out to splines with rebuilding often removes too much character from the result - it looks too “soft” afterwards. May 16, 2025 · Creating accurate curves in Rhino 3D is essential for precision modeling and achieving the desired outcome in your projects. If you cannot match a surface because it is too big, use ShrinkTrimmedSrf followed by Untrim. 3dm (93. In this tutorial, I cover Rebuild and Tween Curves in Rhino 6, the 3D computer graphics and computer-aided design software. (reduce Dec 1, 2017 · Cheers everyone! I’m having a shop bend me a 25mm steel tube. FitCrv tries to reduce the number of control points on a curve while staying within the given user tolerance. Nov 14, 2025 · Rhino tools for manipulating curves. Jul 4, 2025 · This page explains how to use Rebuild Curve to reconstruct curves in Grasshopper. Big sorry for my english. Then . Nov 14, 2025 · The Rebuild command reconstructs selected curves or surfaces to a specified degree and control point number. This means these curves are all polylines. Exploding a closed curve results in dozens of tiny, barely visible segments that keep tripping me up and sabotaging snap reliability. The only way to make a surface is to stretch and deform a rectangular sheet, then trim parts of it away. Thanks in advance Dec 19, 2019 · Next I would rebuild these curves. As sometimes the curve would work making a planar surface but sometimes not and the Jan 10, 2018 · Hello, I would like to learn what function of the Rebuild curves to master curve tool where it can be useful consists in? 5. Rebuild methodpointCount Type: System. rebuild with the nurbs curve component. sorry for the confusion. Rebuild (normal) will rebuild a curve with control points more or less uniformly Apr 16, 2025 · We will introduce 100 basic commands that are essential and used frequently in Rhinoceros. Is it exposed through Rhino Common? May 13, 2016 · Rhino does not use W, only U and V for surfaces and only U for curves. You can explode a polysurface, rebuild faces, and then put it back together (it sounds like you've figured that out already). 5 Offset (3:55) 5. 04 09 Rebuild curves and rebuild to a master curve - Rhino Visual Tips 5 You can order the Rhino 5 Visual Tips from here: http://www. 7 Curve from cross section profiles (2:34) 5. Original: Rebuild result: Aug 17, 2022 · Curve. sweep has the option to rebuild the cross sections, which would result in rounded edges, while one of the other options would keep the straight “Bad” objects in Rhino are ones that either violate certain NURBS rules, or have a structural problem. Download and open the RefitTrim-Demo. Currently, the “Rebuild” tool of Rhino has plenty of shortcomings and performs especially bad with rebuilding curves into single-span degree 5 and 6 control points. In theory, Rhino does not produce bad objects, but in practice, it is possible and does happen periodically. The seemingly chaotic, zig-zag control point locations when the result is a higher degree curve or surface are caused by how the interpolation works. What is Rebuild? The Rebuild command reconstructs selected curves or surfaces to a specified degree and control point number. 1 KB curves. It is very usefull to generate geometry based on a continous radius. So if you want to have the lines that define the outlines of a hatch, you have to turn on control points and then manually trace over the hatch. Can someone suggest the best way to select all of my thousands of curves, and have the Rebuild Curve Non-Uniform command run on each one, rather than on Jan 27, 2018 · Hello. I can do it with rebuild option of loft, but i always use a slow method for better shape. I ran MeshToNURBS, deleted the mesh, and now I have good geometry but the isocurves are all weird. Nov 11, 2024 · Curved lines created in Rhino are called CURVES, that are based on Bezier curve Bezier Curves are used as the basis for NURBS modelling within Rhino. Could any one explain the differences and advantage’s or disadvantage’s between Dec 13, 2022 · Hi, I’m trying to convert 2D nurbs curve to series of arcs, but the arc radius has to be rounded to a multiple of 100mm due to construction requirement. 7 KB) Also, I would like to be able to control the number of arcs. This is a complete tutorial series from the start to end. I’m trying to understand difference between RefitSurface and RebuildSurface. Jul 9, 2024 · We are excited to share Elmo, a new command to rebuild NURBS curves in 3D to a target control point count and degree. Int32 Number of control points in the rebuild curve. Alternatively, you can make a circle at the starting point, see where it intersects, and then make another circle there and so on. com/inc/sdetail/30/1184 The RebuildEdges command restores original 3-D surface edges that have been forced away from the surface through editing. It means A LOT of exploding, tweaking, joining, exploding, ect. ideally i’d like to be able to vary the number of the straight lines, and see what different lengths resulted. Nov 14, 2025 · Change the degree of the polynomial that defines the curve or surface by adding or subtracting control points between knot spans, while maintaining the knot structure. That should be done automatically without manually splitting the curve and rebuilding it locally. 3dm model. Most often, the bad objects are surfaces, but bad curves also happen occasionally as well. Jan 6, 2023 · Hi everyone, I have a lot of curves that need optimization and manual process would take too long. 01 and I got U=13, V=18 Rebuild - tried different combinations U (up to 15points) and V (up to 20 points) and always difference was > 0. Apr 1, 2014 · Can anyone help me understand the difference in these 2 commands? Thanks. Jul 14, 2012 · The best thing to do would be to use the ReB (Rebuild Curve) component in Grasshopper (or run the Rebuild command in Rhino). Jan 16, 2019 · Sometimes I need a smooth curve (curvature continuity) … and I just set something like degree=5 , a not-too-high division count and end it like that… But when I need a light curve/surface I have to use few control points and then I manually correct the curve to the original (pre-rebuild) curve. The result would be a curve of the suggested number of control points, with each points ‘gravity Jan 24, 2025 · Hi : it’s a simple question: why the maximum deviation does not show up when I rebuild a curve ? In this tutorial you will learn how to rebuild control point curve to control shape of your sketches. Nov 14, 2023 · @GregArden method is similar to or the same as how the Rebuild command in Rhino works. Additionally, it would be great if there Mar 30, 2022 · I did the command “FitCrv” but it made the curve different even though it did remove the points. Apr 23, 2016 · In Rhino you can DupEdge to extract the edge curve, and then use Rebuild, RebuildCrvNonUniform, FitCrv, etc to rebuild the curve. All you have to do is: Select Sep 26, 2023 · The idea is to be able to split a single curve into two curves with custom degree and number of control points, while keeping the general shape almost intact. Rebuild (normal) will rebuild a curve with control points more or less uniformly May 18, 2020 · I noticed later that the resulting curves from Fillet didn’t loft well due to the straight lines becoming “Invalid Curves”…? So I went to a lot of trouble to replace the invalid curves with the original straight lines and guess what? They still didn’t loft well at all until I inserted a ReB (Rebuild Curve) component. Rebuilds a curve to given degree and control point count. Nov 14, 2025 · The Rebuild command reconstructs selected curves or surfaces to a specified degree and control point number. I’ve modeled the tube simply by piping a spline > and so there are many progressive radii happening here. Usefulness : When coming from two different objects that needs to be bridged. More specifically, Elmo’s job is to find good control point locations of a new, non-rational curve with a prescribed Oct 24, 2017 · The Rebuild command reconstructs selected curves or surfaces to a specified degree and control point number. The questionnaire: To reduce control points on a curve; Refit Point You want full control over your Rhino Surfaces. You can also not extract the outlines of a hatch. Aug 4, 2018 · Has anyone attempted to use Galapagos to make a better “Rebuild Curve” tool ? Rhino’s way of rebuilding curves is appalling because better results can be achieved with fewer points by hand-editing, but of course, no one wants to use their hands anymore, right ? Nov 14, 2025 · This is possible only with uniform curves (unless you rebuild the curves). Steps: Select the curves. Rebuild curve non-uniform works perfectly, but only if I do each curve one at a time, since some curves are much bigger than others. 3dm (49. This command aims to preserve some of the good features of Rebuild while generating curves that match the global shape of the input curve with higher accuracy. Why would you use it A common operation in any Rhino for Mac workflow is rebuilding a curve with a different degree and/or control point count. 02 Could any good man explain a basic different between both method of Rhino. So far, the steps I’ve followed are: Drew two curves Loft the curves (straight section, no rebuilding surface) Intersect the middle to create a new curve and drew the bulge I wanted to create. mcneelmiami. In this tutorial I will be covering three types of curves: Polylines (1D) - Linear interpolation between points Interpolated Points (2D) - Curve made out of planar arcs Nurbs Curve (3d) - Curve You can use the rebuild curve command, or divide and connect them together. (or interpolate curve to catch all points) division amount will define how smooth you want your curves. (I’ve attached the nurbs curves sample I would like to convert) curves. Available for purchase on Amazon is the “Rhino Surfacing Techniques” book that provides further insights. What’s the significance and how do I know what points I should rebuild my curve to? Any tips and tricks for a total newbie? Curve. Replaces each curve segment that has the geometry of a line or an arc with a true line or arc. this might at least gives you the intersections to rebuild the surface at your needs. And then I realized all that Fillet stuff wasn’t needed, that ReB Aug 5, 2020 · most probable way to work would be explode, then select the surfaces and rebuild with no retrim. One exception could be that is Rebuild needs fewer CPU cycles, but given the speed of any system running Rhino that advantage is probably only theoretical. Comment/Like/Subscribe for more Rhino How To'sThis is a short little demonstration on how to smooth/round an edge in Rhino 3D. The command also combines consecutive co-linear and co-circular segments. How to modify a given curve (blue) to get a smoother version like the red one? Nov 20, 2024 · Hello again, this time I share a method to loft a surface. I’d like to know if there is a way to ‘Rebuild’ a curve with the absolute minimum of control points, user controlled. rovira (Jordi Rovira) November 2, 2022, 5:32pm 1 Hi all, I would like to Know if is possible to make what Rebuild UV for surfaces do the equivalent or similar for curves. I’m new to Rhino so apologize if it is a stupid question Feb 3, 2025 · Rebuild sets of curves which will be input to Sweep2, Sweep1, EdgeSrf and Loft to have the same structure including knot parameter values. Rhino 3D tutorials playlist https://youtube. On importing curves from outside Rhino, exposing control points can present a real mess. I’ve read through some of the discussions I could find in the forums, but non of them seems Mar 30, 2024 · Hello, I am struggling with a group of curves that I need to loft. Feb 22, 2015 · The curves on the polysurface will probably need rebuilding to simplify using Rebuild, RebuildCrvNonUniform, or FitCrv Then create the new surface using Sweep2 or NetworkSrf. 2 Likes Curve. The Rebuild command reconstructs selected curves or surfaces to a specified degree and control point number. EDIT: it didnt work at all with your file. I am going to make a loft surface with all these curves of different styles (i. Click Preview to see what the rebuilt curves will look like. 12 Convert to lines and arcs, simplify lines and curves, and closed open polylines (4:12) (a) EXERCISE: Curve from two views and history (9:36) 5. Without the curves selected, run the command ExtractPt and set the Command Line option Output to PointCloud. This community is for professional, student, and hobbyist users of McNeel's Rhinoceros 3d modeling software and the Grasshopper generative modeling plug-in. What can I do? Rebuild Curve isn’t a Dec 15, 2017 · [rebuild screen] This is an overhead view of the nose of an aircraft fuselage. com/dp/B07FYRFXWF This is a Rhino 3D Tutorial pertaining to the Rebuild Command. Problem is, of course, their tooling requires predetermined radii (38, 40, 55, 60,5, 80mm) for the part to be made. 0:00 Full control0:47 Rebuilding Surfaces5:52 Rebuilding Surfaces UV6:42 Refitt Aug 2, 2016 · I have a BUNCH of closed curves, each with a BUNCH of points. Oct 15, 2021 · It curves as needed when I purposely make the plane deformable, but that takes too long to enter in the U and V points for each, and when I try to rebuild it anyways the curves go away on that too. REFIT: To decrease control points on curves or objects without deploying Tolerance for the slightest changes. Can anyone advise on how to approach the idea below? Any ideas would be greatly appreciated! I would like to make a script that redraws a curve into arcs&lines (or polyarcs) without any kinks, while trying to stay close to the shape of the original curve. This would transform the joined polycurve into a single continuous curve with a point count and degree count of your choosing (you probably want 3 degree curves). To shrinkwrap these curves, we first extract the curves’ points into a Point Cloud. These commands include: “Split” (again, by the “Isocurve” option), “Rebuild surface UV”, “Insert/remove a control point”, “Insert knot” and others. Sep 24, 2025 · The video tutorial on the Rebuild Command in Rhino 5 demonstrates how to effectively use this feature to enhance curve and surface quality. This is “creating” a new surface rather than “editing” the existing surface. Unfortunately it only guarantees the new curve will match the old curve at the Greville points used for interpolation. It can match the shape of the input curve with higher accuracy compared to (the now renamed) RebuildOld, given the same amount of control points. How do I fix this? Feb 3, 2022 · Hi, Ive been using Rhino 7 for about 3 months now and I’ve been using rebuild for everything but noticed it doesn’t seem to go around bends very well, I assume that’s because its rebuilding the curve with all its points spaced uniformly apart from each other instead of concentrating some around the bend. Unless you turn on control points. Jun 15, 2024 · What is the best command to simplify curves? Fair, FitCrv, Smooth, Rebuild, or RebuildCrvNonUniform? Oct 11, 2022 · Rebuild | Rhino 3-D modeling The Rebuild command reconstructs selected curves or surfaces to a specified degree and control point number. Learn Grasshopper for Rhino 7 and 8 with a solid foundation Rebuilds a surface to given degree and control point count. use Dec 4, 2019 · Hello - ChangeDegree does just that - unlike Rebuild, it does not change the shape of the input. In this video, learn how to use Rhino’s rebuild command to recreate a (a) EXERCISE: Curve from two views and history (9:36) 5. easyrhino3d. Fit () , Lowering the degree or rebuilding (which is the one I initially wanted to use but rhino 5 doesn’t allow rebuilding by tolerance) , re-interpolate Dec 27, 2022 · Rebuild essentially samples the input curve or surface for a set of points, and then interpolates a new curve or surface through the points. In this tutorial I will be covering three types of curves: Polylines (1D) - Linear interpolation between points Interpolated Points (2D) - Curve made out of planar arcs Nurbs Curve (3d) - Curve Mar 20, 2014 · Learning Rhinoceros. Now select the curves and press Enter to end the command. And then I realized all that Fillet stuff wasn’t needed, that ReB Apr 16, 2025 · We will introduce 100 basic commands that are essential and used frequently in Rhinoceros. Does not update in real-time the preview of the points added (or decreased) of a generic curve (you only notice a red dot, but the points do not appear in preview). See Attached images. Feb 6, 2024 · Hello to all, and hope all is well. I’d like now to rebuild the open polysurface to reduce the amount of control points but command won’t allow me to select the hull, like if ti was not accepting the open polysurface as input to rebuild. I was hoping someone had a suggestion on what I could do to solve this issue. com/playlist?list=PLDugcibQcKpd-rm1PHxM-Pcy0DwPHQCiZIn this lesson, we will explain the tools related to rebuildi Valid values are between and including 1 and 11. Click the curved edge of the surface that has been Nov 11, 2020 · The Rebuild command reconstructs selected curves or surfaces to a specified degree and control point number. 13 Tween between two curves (3:08) Nov 14, 2025 · Rhino tools for manipulating curves. 12 Convert to lines and arcs, simplify lines and curves, and closed open polylines (4:12) The Rebuild command reconstructs selected curves or surfaces to a specified degree and control point number. Dec 19, 2013 · When the input to the FitCrv command is a polyline, the FitCrv command treats the polyline vertices as a list of points, and it tries to compute a curve that goes near the points but has a reasonable number of control points. I was hoping there would be a way to simply select a surface/ Edge/ Curve to see the CV details. Geometry. Is there any fuction that can optimize the curve where is needed? Actually in the curve there are small complex parts that need lot of points but the majority of the curve is simple so few points needed. How would you suggest I go about converting or rebuilding the original spline to lines and arcs of said Oct 19, 2025 · The Rebuild command reconstructs selected curves or surfaces to a specified degree and control point number. Dec 24, 2015 · I have many small and large curves and i need to reduce control points from them. Rebuild surface works fine with other surface commands. Oct 10, 2013 · After extruding a surface from a curve, The rebuild surface command does not open, it defaults to Rebuild (not giving me the control points I need for u/v directions. Dec 31, 2014 · how to convert a closed curve into equal length straight lines. 11 Adjust closed curve seam (4:05) 5. With a given surface created with tolerance 0. It seems a bit convoluted however that i need to pick the surface that I want to match, select rebuild, check the details, close the command and then run rebuild again on the surface i want to rebuild. I need to rebuild each one to have fewer points. Sep 27, 2012 · Hi, Rhino has this rebuildfunction for curves. When you are satisfied with the results, click OK. I am fairly new to Rhino, but this has stumped me and my internet searches for a while now. This is not specific to Rhino. Sep 24, 2024 · Hi I’m having an issue with the rebuild tool recently, I’ll usually join several curves, then use the rebuild command to tidy up the pivot points. Choosing the appropriate tool for your needs c “Bad” objects in Rhino are ones that either violate certain NURBS rules, or have a structural problem. the angle between lines can vary, as can the actual length; but i’d like the length of each straight line segment to be identical. Basically, I want to generate a bulge within the light blue surface without changing the borders of the surface (marked in yellow). In order to Loft the curves I need to rebuild them to have the same amount of control points. However, when I rebuild them they lose the flat areas and the edges become rounded. The way the curves are defined makes is possible to draw straight lines and smooth curves Nov 2, 2022 · Serengeti (Rhino WIP) windows jordi. Here you go all in this video. Each surface of a polysurface is fundamentally a distinct object, that's just how NURBS works. It works on four sided trimmed surfaces. Rhino offers many tools for editing control points. I created through the command loft, an open polysurface from several contour lines. Edit: for more advanced settings you can evaluate the Sep 22, 2017 · I noticed a strange behavior with the command “rebuild Crv”. Jan 31, 2018 · Hi, Is there any way of automating a conversion of polylines in Rhino to NURBS curves? At the moment the lines are made up of small (sometimes very small) straight line segments. Is it exposed through Rhino Common? Nov 28, 2019 · Hi All!! I am building the hull of a sailboat. For more information, see the Rhino help file for the Rebuild command. 3D ---Rebuilding Function in Rhinocadxneter@hotmail. I start with the longest curve, the red one, rebuild it to as less point count as I can. Maybe there is also another approach in repairing a curve. This “chaos” is in part due to a fundamental differences in NURBS curves and surfaces as the degree increases: the higher the degree the broader Rebuild Reconstruct curves, surfaces, and extrusion objects to a specified degree and control point number. been doing it like this for years. Another option is using Rhino 7 testTrimRefit command. Dec 30, 2024 · Rebuild interpolates through the input curve at a number of points equal to the number of specified points in Rebuild. Here are some expert tips to help you enhance the accuracy of your curves: Use the Right Curve Tools Rhino offers a variety of curve creation tools. Is there a similar tool to use? My aim is to rebuild a curve based on arcs and i like to control the tolerance between both elements Thanks Thomas Jul 10, 2024 · Based on initial testing and some knowledge of fitting curves, the approach used by Elmo based on distance minimization appears to have only advantages compared to the interpolation approach used by the current Rebuild command. But changing the degree will change the control points - (why else would you do this?) - the curve or surface itself will not change in shape. e, different point counts, or polycurves). 8 Change the degree of a curve (2:57) 5. This cause some problems with meshing later. ChangeDegree Change the degree of the polynomial that defines the curve or surface by adding or subtracting control points between knot spans, while maintaining the knot structure. Once you know how to deal with them, they don’t usually take too much to fix. If true, the end tangents of the input curve will be preserved. Mar 23, 2025 · The Rebuild command reconstructs selected curves or surfaces to a specified degree and control point number. For a closed curve the locations of the interpolation locations are determined in part by the seam in the input curve. Example (although the curves in this case belong to the same object) illustrated by Apr 16, 2025 · windows, rhino7 sky_blue (Nita Trafa) April 16, 2025, 2:33pm 1 hi i am trying to loft this 2 curves, but the surface created always overlaps on itself i used rebuild curve with dege 5 and 7 for my other curves and fit curve, however i cannot get it to fit within the boundary curve for this surface, pls help 932×671 75. the source closed curve is Feb 15, 2019 · Ahh, just use the rebuild again? cool, Thx! RIL 1 Like Topic Replies Views Activity How to rebuild (reduce control points) from curves but independently lenght Rhino for Windows 1 13104 December 24, 2015 Jun 10, 2021 · Hello there! I need the advice of someone with more experience. works especially good for terrain, as it smooths the curves. the vertices between lines all to lie on the source curve. Jul 27, 2017 · Hello all, Trying to teach myself Rhino here by watching a bunch of tutorials. Finaly, I would make all the surfaces from the curves. Rhino’s curves are represented internally with non-uniform rational B-splines (NURBS). 2019-01-16%2016_50_13-Window578×510 7. Jan 14, 2021 · Hi, I need to rebuild a curve imported from an external program. It’s a bug? (Rhino 6 wip ultimate version). Keep in mind that you either need to adjust the curve size or the distance size, because one of them has to me changed in order to fit end to end. 10 Refit curves (3:49) 5. By learning how to use these commands, you will be able to do a variety of things in Rhinoceros. Probably the original plan was drawn using a parabola as a guide. I tried all rebuild commands, but it work depends from lenght How to rebuild (reduce control points) from curves but independently lenght. Dec 27, 2022 · Rebuild essentially samples the input curve or surface for a set of points, and then interpolates a new curve or surface through the points. 4 KB sky_blue (Nita Trafa) April 16, 2025, 2:38pm 2 lofting water surface Tutorial illustrating different ways to regenerate polysurfaces in Rhino Rhino3D for editing and optimizing the design. It would be nice to have osnap and line extraction 04 09 Rebuild curves and rebuild to a master curve - Rhino Visual Tips 5 You can order the Rhino 5 Visual Tips from here: http://www. What I am after is a single curves which can’t be exploded into smaller segments and at the same time follows closely the original lines. Obtain a rebuilt curve with non-uniform knots which are distributed appropriately for the target curve. Refit (untrimmed) result, showing differences in both the control point structure of the edge curve as well as the resulting surfaces from ExtrudeCrv: Try It Download Rhino 8 Evaluation for Windows or Mac. What do I need to do in order to extrude a surface from a curve then properly turn on the rebuild surface command? #rhino3dtutorial #Rebuild Buy Rhino Surfacing Techniques Book from Amazon at https://www. But often times, the results aren’t symmetrical, even though the original curve is symmetrical. Dec 13, 2024 · Comments and complaints have been made that when a curve or surface is rebuilt to a higher degree, particularly with the same or fewer control points as the input curve/surface, the control points of the resulting curve/surface can look chaotic. Contouring, making a network surface and rebuilding of this surface Jan 7, 2024 · Hello I would like to merge multple surfaces into 1 accurately. Dec 8, 2014 · Is there a way to extract the outline of a hatch? The annoying thing about hatches is that you cannot snap to them. This command is useful for restoring original 3-D edges of surfaces after exploding a polysurface into separate surfaces. But why bother? Having different UV densities for different parts of a Jan 16, 2019 · The Rebuild command reconstructs selected curves or surfaces to a specified degree and control point number. Is there any better way to reduce the points, but still keep the curve shape? The circled curved in blue is the bi-product of the “FitCrv” command, which I am trying to get more like the curve to the right. I choosed 18 points degree 3. If i use smooth= yes it will change the shape, when I use smooth=no, it will keep the shape unchanged but if i merge multiple surface it will have problem, so last step I use rebuild, but it doesn’t follow my guide curve anymore. Some commands such as Rebuild, Fair, and Smooth offer some automated solutions for redistributing control points over a curve or surface. 6 MB) Oct 28, 2016 · Equal - not to be conflated with “evenly”. I think that this is unacceptable in 2023, considering the fact that When you try to blend surfaces over the join line in two surfaces things can get messy. Fit () , Lowering the degree or rebuilding (which is the one I initially wanted to use but rhino 5 doesn’t allow rebuilding by tolerance) , re-interpolate You can display the control points or the edit points of an object so that you can adjust the shape of an object, rather than manipulating the whole object at once. Control-point editing You can make subtle changes in the shape of a curve or surface by moving the location of its control points. Run the command _ RefitTrim. I really appreciate any help you can provide. However, I also do have a script to rebuild curves with a variable number of points based on curve length, it is posted below. 3dm (5. You can use point editing on meshes, curves, and surfaces, but not on polysurfaces or solids. A curve represents an entity that can be all visited by providing a single parameter, usually called t. Rebuild surface Steps: Select surfaces to rebuild. amazon. Has anyone created a script that can take one curve, and to apply the other curve an equal number of Control Points - AND distribute them equally along the curve? Something like so: Fig. Or, press Ctrl + Shift to select a polycurve segment. com My Rhi Jan 5, 2022 · Rhino 3D || Creating Curved Solids with Rebuild, PointsOn, and OffsetSrf Commands Michael Chiafulio 243 subscribers Subscribed May 7, 2024 · Would you please help me locate the correct answer due to the clarity of these two commands on Rhino? REBUILD: To increase or decrease control points on curves or objects and deploy smoothness, curviness and sharpness. In this video, we're going to talk about several ways to create surfaces using edges and curves in Rhino. However, this is the fourteenth episode of this series May 18, 2020 · I noticed later that the resulting curves from Fillet didn’t loft well due to the straight lines becoming “Invalid Curves”…? So I went to a lot of trouble to replace the invalid curves with the original straight lines and guess what? They still didn’t loft well at all until I inserted a ReB (Rebuild Curve) component. Jun 30, 2020 · At the moment, the workaround is just ending up with curves and doing sweeps that create degree 5 surfaces instead from rebuild degree 5 curves. That is called control point editing. 001 (U=26 points, V=34 points) I did: Refit to tolerace 0. Jan 8, 2021 · By the way, as we discussed in several other topics recently, in future Rhino releases the TAB key should be used to swap the U and V direction in some commands. The FitCrv command is meant for polylines with many closely spaced points. Curve: Represents a base class that is common to most RhinoCommon curve types. 9 Rebuild curves and rebuild to a master curve (2:54) 5. This can be helpful for creating surfaces for applying materials, closing objects in to Trimmed vs. Do anyone have better methods? thanks Question 20240107. However the rebuilt curve generally won’t lie exactly on the original surface unless that surface was planar. Click Preview to see what the rebuilt surfaces will look like. It doesn’t always succeed in reducing the number of points, there are some types of curves it works better on than others. I am missing this node in GH. Three into grasshopper. Thanks. In Rhino, I traced the curve using Interpolate curve, starting with seve… Aug 6, 2022 · I was sent a sketchup model. divide curve (or better divide to target lenght from free pufferfish addon). com Jan 27, 2025 · Thanks Mark - Yes, that also gives you the details and is actually my current workflow.