# \#transform

**URL:** https://discourse.mcneel.com/tag/transform/809.md

[Latest](https://discourse.mcneel.com/latest.md) · [Categories](https://discourse.mcneel.com/categories.md) · [Tags](https://discourse.mcneel.com/tags.md)

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## [Help with Vase Mode (3D Printing)](https://discourse.mcneel.com/t/help-with-vase-mode-3d-printing/108933)

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**Author:** [@Konrad](https://discourse.mcneel.com/u/Konrad)\
**Replies:** 55\
**Last updated:** [October 30, 2026, 7:04am UTC](https://discourse.mcneel.com/t/help-with-vase-mode-3d-printing/108933 "2026-10-30T07:04:02Z")

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Hi, I am trying to replicate vase mode in Grasshopper but with a twist and I can’t get it working: The Contour component produces planar “slices”, which are in this example called “base curves”. After rebuilding and m…

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## [\[Feature Request\] Worksession Instance Transform](https://discourse.mcneel.com/t/feature-request-worksession-instance-transform/217403)

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**Author:** [@AlanMattano](https://discourse.mcneel.com/u/AlanMattano)\
**Replies:** 3\
**Last updated:** [April 7, 2026, 2:44pm UTC](https://discourse.mcneel.com/t/feature-request-worksession-instance-transform/217403 "2026-04-07T14:44:16Z")

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\[Feature Request\] Worksession Instance Transform Decoupling Model Space from Assembly Space (Like XREF / Instances) Problem Worksessions assume all files are already aligned in world space. That forces: Modeling fa…

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## [MakeDeformable failed](https://discourse.mcneel.com/t/makedeformable-failed/212431)

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**Author:** [@Russell\_Emerine](https://discourse.mcneel.com/u/Russell_Emerine)\
**Replies:** 3\
**Last updated:** [November 14, 2025, 11:24pm UTC](https://discourse.mcneel.com/t/makedeformable-failed/212431 "2025-11-14T23:24:54Z")

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The curve in the attached file causes MakeDeformable to fail. To replicate, Use the command defined as follows: using Rhino; using Rhino.Commands; using Rhino.DocObjects; using Rhino.Geometry; using Rhino.Input; usin…

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## [Broken Scaling Transform](https://discourse.mcneel.com/t/broken-scaling-transform/212239)

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**Author:** [@Russell\_Emerine](https://discourse.mcneel.com/u/Russell_Emerine)\
**Replies:** 3\
**Last updated:** [November 11, 2025, 10:01pm UTC](https://discourse.mcneel.com/t/broken-scaling-transform/212239 "2025-11-11T22:01:49Z")

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I am using RhinoCommon to scale objects and I came across this strange behavior. I’ve extracted the important code into a command: using Rhino; using Rhino.Commands; using Rhino.Geometry; using Rhino.Input.Custom; name…

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## [How to implement dynamic draw when scaling texture](https://discourse.mcneel.com/t/how-to-implement-dynamic-draw-when-scaling-texture/194307)

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**Author:** [@svichare](https://discourse.mcneel.com/u/svichare)\
**Replies:** 1\
**Last updated:** [November 11, 2024, 3:51am UTC](https://discourse.mcneel.com/t/how-to-implement-dynamic-draw-when-scaling-texture/194307 "2024-11-11T03:51:55Z")

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Hi, I want to implement a texture scaling command that has real-time draw/preview feedback similar to how other transform commands work - scale, rotate etc. that provide a real-time feedback with mouse events. Currentl…

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## [Breps respawn at origin](https://discourse.mcneel.com/t/breps-respawn-at-origin/193201)

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**Author:** [@Dominik\_Wrigley-Simo](https://discourse.mcneel.com/u/Dominik_Wrigley-Simo)\
**Replies:** 11\
**Last updated:** [October 18, 2024, 7:13am UTC](https://discourse.mcneel.com/t/breps-respawn-at-origin/193201 "2024-10-18T07:13:56Z")

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Hello everyone, I´m having the issue that every now and then some Breps get respawned at the origin of the document when re-opening a file, although they had a different location when saving the file beforehand. This s…

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## [How to ensure that lines/vertices are parallel to each other?](https://discourse.mcneel.com/t/how-to-ensure-that-lines-vertices-are-parallel-to-each-other/192080)

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**Author:** [@Frederik\_Petersen](https://discourse.mcneel.com/u/Frederik_Petersen)\
**Replies:** 7\
**Last updated:** [October 2, 2024, 12:43pm UTC](https://discourse.mcneel.com/t/how-to-ensure-that-lines-vertices-are-parallel-to-each-other/192080 "2024-10-02T12:43:25Z")

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Is there a way to ensure that lines/vertices are parallel to each other? And a command that can confirm parallelity between lines/vertices? The goal is to make a-a’ and b-b’ planar and parallel to each other, then close …

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## [Comparing Rhino SubD modeling features with Alias 2021 and Modo 14](https://discourse.mcneel.com/t/comparing-rhino-subd-modeling-features-with-alias-2021-and-modo-14/101797)

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**Author:** [@mdesign](https://discourse.mcneel.com/u/mdesign)\
**Replies:** 30\
**Last updated:** [April 12, 2024, 5:31pm UTC](https://discourse.mcneel.com/t/comparing-rhino-subd-modeling-features-with-alias-2021-and-modo-14/101797 "2024-04-12T17:31:09Z")

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I’ve watched a new movie about Alias and Subd: Alias 2021 Deep Dive Session 01 - SubD workflow I’m not Rhino user yet. I\`m mostly Modo, MoI3d, and Zbrush user. I hope to buy Rhino in the following month. Please tell me…

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## [Command request: Mirror-move](https://discourse.mcneel.com/t/command-request-mirror-move/179100)

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**Author:** [@Kalpit\_3d](https://discourse.mcneel.com/u/Kalpit_3d)\
**Replies:** 5\
**Last updated:** [March 31, 2024, 1:51am UTC](https://discourse.mcneel.com/t/command-request-mirror-move/179100 "2024-03-31T01:51:13Z")

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i want to move the holes in opposite direction but dont want to change their size. one way for that is to select and move half side first and then do the same for opposite side. but it is a long process of selection…

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## [V8 Feature request- Viewport moves when doing gumball transformation](https://discourse.mcneel.com/t/v8-feature-request-viewport-moves-when-doing-gumball-transformation/166931)

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**Author:** [@Kalpit\_3d](https://discourse.mcneel.com/u/Kalpit_3d)\
**Replies:** 1\
**Last updated:** [October 9, 2023, 4:19pm UTC](https://discourse.mcneel.com/t/v8-feature-request-viewport-moves-when-doing-gumball-transformation/166931 "2023-10-09T16:19:21Z")

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Just like when doing window selection if our cursor get out of the window, rhino starts to pan the viewport in that direction allow users to select more. same can be implemented for gumball movement in v8 of rhino as peo…

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## [Wish UI: Ortho and Gumball look more integrated / the same](https://discourse.mcneel.com/t/wish-ui-ortho-and-gumball-look-more-integrated-the-same/163531)

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**Author:** [@skysurfer](https://discourse.mcneel.com/u/skysurfer)\
**Replies:** 1\
**Last updated:** [August 2, 2023, 9:24am UTC](https://discourse.mcneel.com/t/wish-ui-ortho-and-gumball-look-more-integrated-the-same/163531 "2023-08-02T09:24:37Z")

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Hi All, @Gijs , @Joshua\_Kennedy, I’m trying the latest WIP and I really like the fact you can drag vertically. What I’m thinking is that the new ORTHO should look more like the gumball. With this new implementation of…

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## [Bending a group of crv along a crv in a circle](https://discourse.mcneel.com/t/bending-a-group-of-crv-along-a-crv-in-a-circle/161678)

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**Author:** [@baeumertobi](https://discourse.mcneel.com/u/baeumertobi)\
**Replies:** 3\
**Last updated:** [June 19, 2023, 7:07pm UTC](https://discourse.mcneel.com/t/bending-a-group-of-crv-along-a-crv-in-a-circle/161678 "2023-06-19T19:07:34Z")

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Hey there, I am trying to find a solution for a formation process which I hope is possible with grasshopper. I want to bend, circulate a group of crv along a crv into a circle. I tried to use the bend tool but it does…

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## [Shape transform with boundary condition (without mechanical FEM) problem](https://discourse.mcneel.com/t/shape-transform-with-boundary-condition-without-mechanical-fem-problem/159477)

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**Author:** [@comp\_nano](https://discourse.mcneel.com/u/comp_nano)\
**Replies:** 1\
**Last updated:** [May 7, 2023, 3:35pm UTC](https://discourse.mcneel.com/t/shape-transform-with-boundary-condition-without-mechanical-fem-problem/159477 "2023-05-07T15:35:48Z")

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Hi there! I’m currently working on an automated ligament reconstruction project, and I need some guidance from the community. In the attached image, you can see several ligaments connecting two bones in a standard posit…

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## [Why a flat NURBS loses flatness after transformation](https://discourse.mcneel.com/t/why-a-flat-nurbs-loses-flatness-after-transformation/157729)

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**Author:** [@sadovshikov](https://discourse.mcneel.com/u/sadovshikov)\
**Replies:** 2\
**Last updated:** [April 5, 2023, 9:36am UTC](https://discourse.mcneel.com/t/why-a-flat-nurbs-loses-flatness-after-transformation/157729 "2023-04-05T09:36:10Z")

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Transforming a flat NURBS from the original spot to another place causes an issue with the flatness of the NURBS. To be precise it is sort of still flat, regarding the “Planar” component, but at the same time, its boundi…

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## [Need to reload when changing transformations of imported .3dm](https://discourse.mcneel.com/t/need-to-reload-when-changing-transformations-of-imported-3dm/149638)

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**Author:** [@david.fenkhuber](https://discourse.mcneel.com/u/david.fenkhuber)\
**Replies:** 1\
**Last updated:** [February 14, 2023, 12:39pm UTC](https://discourse.mcneel.com/t/need-to-reload-when-changing-transformations-of-imported-3dm/149638 "2023-02-14T12:39:13Z")

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Dear SD-Team and community, I’m not sure if this is intended behaviour and if so, how to work around it. I’m importing/providing a .3dm with “SD Import Geometry”. I want to attach transformations to some of the geometr…

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## [I need help](https://discourse.mcneel.com/t/i-need-help/143532)

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**Author:** [@ZY\_Night](https://discourse.mcneel.com/u/ZY_Night)\
**Replies:** 2\
**Last updated:** [June 6, 2022, 8:49am UTC](https://discourse.mcneel.com/t/i-need-help/143532 "2022-06-06T08:49:06Z")

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I am looking for a way to map the geometry in one plane to another plane, and a way to generate mirrored geometry in a plane

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## [Render/preview meshes for transformations](https://discourse.mcneel.com/t/render-preview-meshes-for-transformations/138702)

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**Author:** [@maje90](https://discourse.mcneel.com/u/maje90)\
**Replies:** 0\
**Last updated:** [March 1, 2022, 2:05am UTC](https://discourse.mcneel.com/t/render-preview-meshes-for-transformations/138702 "2022-03-01T02:05:59Z")

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Hi all. Often in my works I have some intermediate “step” where I have to orient/stretch some/multiple brep, and to keep a realtime interaction i temporary transform their meshes+edges instead of the actual breps. Why? …

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## [Make 3D shape from 2D positioned objects not working?](https://discourse.mcneel.com/t/make-3d-shape-from-2d-positioned-objects-not-working/131245)

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**Author:** [@ankere](https://discourse.mcneel.com/u/ankere)\
**Replies:** 9\
**Last updated:** [October 20, 2021, 12:19am UTC](https://discourse.mcneel.com/t/make-3d-shape-from-2d-positioned-objects-not-working/131245 "2021-10-20T00:19:22Z")

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Hello, I’m trying to do a 3D shape from 2D triangles by linking them with 0-length lines that would act as a springs that bring the triangles together. All triangle sides have been set as unchangeable by fixing their le…

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## [Transform and maintain certain parameter](https://discourse.mcneel.com/t/transform-and-maintain-certain-parameter/131174)

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**Author:** [@david.adam](https://discourse.mcneel.com/u/david.adam)\
**Replies:** 1\
**Last updated:** [October 4, 2021, 8:07pm UTC](https://discourse.mcneel.com/t/transform-and-maintain-certain-parameter/131174 "2021-10-04T20:07:53Z")

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Hi everyone, Is it possible to transform an object within Rhino and maintaining a certain parameter of this object? For example: Scale1D a planar Curve and maintain its area by automatically scaling it in the other dime…

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## [How can the transformation of the 'Module' piece oriented like the 'Desired Outcome'](https://discourse.mcneel.com/t/how-can-the-transformation-of-the-module-piece-oriented-like-the-desired-outcome/126725)

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**Author:** [@arch\_tzh](https://discourse.mcneel.com/u/arch_tzh)\
**Replies:** 14\
**Last updated:** [July 2, 2021, 1:37am UTC](https://discourse.mcneel.com/t/how-can-the-transformation-of-the-module-piece-oriented-like-the-desired-outcome/126725 "2021-07-02T01:37:42Z")

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Hello everyone, I have made a ‘Module’ piece, and I wanted it to move and transform to the orientation I have shown in the ‘Desired Outcome’ brep. Thanks in advance for your help. Ciao. TZH 2021.06.29 - Oreinted …

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## [IsRotate property of Transform reports incorrectly](https://discourse.mcneel.com/t/isrotate-property-of-transform-reports-incorrectly/124911)

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**Author:** [@csykes](https://discourse.mcneel.com/u/csykes)\
**Replies:** 4\
**Last updated:** [June 3, 2021, 8:02pm UTC](https://discourse.mcneel.com/t/isrotate-property-of-transform-reports-incorrectly/124911 "2021-06-03T20:02:39Z")

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I’m debugging a plugin and trying to confirm if a transformation is a rotation. I am taking the rotation from DynamicTransform as a result of manipulating the gumball. If I use the rotation parts of the gumball the Trans…

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## [Mesh transformation from boundaries](https://discourse.mcneel.com/t/mesh-transformation-from-boundaries/124651)

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**Author:** [@didacllopart](https://discourse.mcneel.com/u/didacllopart)\
**Replies:** 2\
**Last updated:** [May 24, 2021, 11:46am UTC](https://discourse.mcneel.com/t/mesh-transformation-from-boundaries/124651 "2021-05-24T11:46:42Z")

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Hey there, I am trying to modify a mesh regarding his two boundaries. My goal is to transform this mesh so the extremes are coincident with the curves in blue, while modifying the rest of the mesh in a smooth way. m…

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## [Get geometries transformation matrix](https://discourse.mcneel.com/t/get-geometries-transformation-matrix/116651)

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**Author:** [@tobias.stoltmann](https://discourse.mcneel.com/u/tobias.stoltmann)\
**Replies:** 6\
**Last updated:** [January 20, 2021, 7:35pm UTC](https://discourse.mcneel.com/t/get-geometries-transformation-matrix/116651 "2021-01-20T19:35:18Z")

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Hi there, this might be a quite stupid question. Is there any chance to get the transformation matrix of an object’s transformation? I am familiar with the concept of transformation matrices. In RhinoCommon I found w…

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## [Moving grips with python](https://discourse.mcneel.com/t/moving-grips-with-python/110995)

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**Author:** [@felix.mariotto](https://discourse.mcneel.com/u/felix.mariotto)\
**Replies:** 3\
**Last updated:** [November 2, 2020, 7:03pm UTC](https://discourse.mcneel.com/t/moving-grips-with-python/110995 "2020-11-02T19:03:52Z")

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Hello all, I’m rather new to python and rhino scripting, please bear with me. I want to let the user select and move any type of object including grip in a certain direction, using python. I figured that rs.GetObjects …

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## [Transformation of SubObject selected objects](https://discourse.mcneel.com/t/transformation-of-subobject-selected-objects/107455)

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**Author:** [@seppeldue](https://discourse.mcneel.com/u/seppeldue)\
**Replies:** 2\
**Last updated:** [October 22, 2020, 1:24pm UTC](https://discourse.mcneel.com/t/transformation-of-subobject-selected-objects/107455 "2020-10-22T13:24:44Z")

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Hello, i try to perform a transformation on several SubObjects, but transformation is done to the whole object and not the subobject… do i have to get an ObjRef for all possible cases? If so can they all be stored in on…

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## [Capture geometries transformations within Events](https://discourse.mcneel.com/t/capture-geometries-transformations-within-events/108404)

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**Author:** [@csykes](https://discourse.mcneel.com/u/csykes)\
**Replies:** 5\
**Last updated:** [September 10, 2020, 11:19pm UTC](https://discourse.mcneel.com/t/capture-geometries-transformations-within-events/108404 "2020-09-10T23:19:09Z")

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Hello Discourse, I am currently trying to solve a problem in one of my Rhino Plugins. I am storing geometry in the User Dictionary of a closed curve. This geometry is automatically generated from the base curve and is b…

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## [rs.XformChangeBasis() returning wrong transform](https://discourse.mcneel.com/t/rs-xformchangebasis-returning-wrong-transform/108121)

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**Author:** [@tobias.stoltmann](https://discourse.mcneel.com/u/tobias.stoltmann)\
**Replies:** 4\
**Last updated:** [September 9, 2020, 3:16am UTC](https://discourse.mcneel.com/t/rs-xformchangebasis-returning-wrong-transform/108121 "2020-09-09T03:16:19Z")

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Hi there, I have the following model… Now maybe I completely misunderstand the concept of rs.XformChangeBasis(), because when I try this: obj = rs.ObjectsByName("test")\[0\] x = rs.WorldXYPlane()\[1\] y = rs.WorldXYPla…

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## [How to move control points proportionally to Normal direction (on surface and on curve)](https://discourse.mcneel.com/t/how-to-move-control-points-proportionally-to-normal-direction-on-surface-and-on-curve/107347)

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**Author:** [@mdesign](https://discourse.mcneel.com/u/mdesign)\
**Replies:** 15\
**Last updated:** [August 22, 2020, 9:06pm UTC](https://discourse.mcneel.com/t/how-to-move-control-points-proportionally-to-normal-direction-on-surface-and-on-curve/107347 "2020-08-22T21:06:38Z")

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I would like to move control points on the surface and on curve proportionally (mainly in Normal direction). I know about SoftMove command but it works only with radial falloff not with linear one and I can\`t see o…

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## [Transformation matrix XYZ to XZY](https://discourse.mcneel.com/t/transformation-matrix-xyz-to-xzy/80979)

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**Author:** [@rikard](https://discourse.mcneel.com/u/rikard)\
**Replies:** 9\
**Last updated:** [June 11, 2020, 11:23am UTC](https://discourse.mcneel.com/t/transformation-matrix-xyz-to-xzy/80979 "2020-06-11T11:23:38Z")

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Hello. I’m trying to export transformation matrix to octane render but Octane’s coordinate space is XZY from what I understand. Maybe it’s the same with .obj files. Anyhow, my question is how to modify a transformation …

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## [Morphing from ObjectA to ObjectB](https://discourse.mcneel.com/t/morphing-from-objecta-to-objectb/100412)

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**Author:** [@tpishida6447](https://discourse.mcneel.com/u/tpishida6447)\
**Replies:** 10\
**Last updated:** [April 21, 2020, 5:24pm UTC](https://discourse.mcneel.com/t/morphing-from-objecta-to-objectb/100412 "2020-04-21T17:24:40Z")

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I am looking for a way to change the shape of this sphere and octopus. I think this sphere and octopus must have the same attributes, but I want to know how to change the shape of completely different objects A and B …

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