# \#unrollsrf

**URL:** https://discourse.mcneel.com/tag/unrollsrf/1201.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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## [Rhino/Grasshopper Specialist Needed for Full-Scale Cardboard Stencil](https://discourse.mcneel.com/t/rhino-grasshopper-specialist-needed-for-full-scale-cardboard-stencil/221591)

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**Author:** [@horrace](https://discourse.mcneel.com/u/horrace)\
**Replies:** 4\
**Last updated:** [August 16, 2026, 1:14pm UTC](https://discourse.mcneel.com/t/rhino-grasshopper-specialist-needed-for-full-scale-cardboard-stencil/221591 "2026-08-16T13:14:22Z")

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I have a Rhino 8 model containing fiberglass panels M12 and M13 and a projected circular pattern. I need the circular pattern converted into a coordinated series of flat, full-scale cardboard cutting stencils. Each stenc…

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## [How to export unrolled surface as DXF](https://discourse.mcneel.com/t/how-to-export-unrolled-surface-as-dxf/219492)

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**Author:** [@John\_Draper](https://discourse.mcneel.com/u/John_Draper)\
**Replies:** 15\
**Last updated:** [June 4, 2026, 9:31pm UTC](https://discourse.mcneel.com/t/how-to-export-unrolled-surface-as-dxf/219492 "2026-06-04T21:31:39Z")

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I have used Fusion to create a sculpture with several 4-sided hollow bodies. The sculpture will be made with thin sheet metal. I need help creating DXF files of the unrolled/flat templates for laser cutting. The curved s…

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## [Create flat pattern DXF minimum distortion for sheet metal](https://discourse.mcneel.com/t/create-flat-pattern-dxf-minimum-distortion-for-sheet-metal/219608)

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**Author:** [@John\_Draper](https://discourse.mcneel.com/u/John_Draper)\
**Replies:** 2\
**Last updated:** [June 4, 2026, 12:23am UTC](https://discourse.mcneel.com/t/create-flat-pattern-dxf-minimum-distortion-for-sheet-metal/219608 "2026-06-04T00:23:09Z")

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This is a follow-up to my previous posting. I have used Fusion to create a sculpture with several 4-sided hollow bodies. The sculpture will be made with thin sheet metal. I need help creating DXF files of the unrolled/fl…

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## [Kite design with image mapping questions](https://discourse.mcneel.com/t/kite-design-with-image-mapping-questions/219001)

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**Author:** [@mtdelucia](https://discourse.mcneel.com/u/mtdelucia)\
**Replies:** 6\
**Last updated:** [May 14, 2026, 2:56pm UTC](https://discourse.mcneel.com/t/kite-design-with-image-mapping-questions/219001 "2026-05-14T14:56:38Z")

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Hello, I’ve designed a kite and I’d like to print a paper pattern for the sails which has the appropriate mapping but when I unroll the polysurfaces, the image is reoriented incorrectly. How can i preserve the mapping o…

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## [Flattening out a curved surface to measure it](https://discourse.mcneel.com/t/flattening-out-a-curved-surface-to-measure-it/213570)

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**Author:** [@Hunter10](https://discourse.mcneel.com/u/Hunter10)\
**Replies:** 6\
**Last updated:** [December 16, 2025, 12:22pm UTC](https://discourse.mcneel.com/t/flattening-out-a-curved-surface-to-measure-it/213570 "2025-12-16T12:22:14Z")

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Hello, I am trying to see if there are any other methods I could use to take a curved surface and flatten it so I can measure it for production. the idea is the curved surface is the final form of wood that will be ste…

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## [How To Unroll Surface For Material Yield](https://discourse.mcneel.com/t/how-to-unroll-surface-for-material-yield/212007)

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**Author:** [@kip\_jarrett](https://discourse.mcneel.com/u/kip_jarrett)\
**Replies:** 4\
**Last updated:** [November 8, 2025, 8:31am UTC](https://discourse.mcneel.com/t/how-to-unroll-surface-for-material-yield/212007 "2025-11-08T08:31:35Z")

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Hi all, Like the title says, I am looking for help on how to unroll the surfaces of this “box” that I created, to look like my “target end result” for better material yield control if this were to be laser cut. See Pict…

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## [Unroll Srf](https://discourse.mcneel.com/t/unroll-srf/205839)

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**Author:** [@Lucia\_rodriguez](https://discourse.mcneel.com/u/Lucia_rodriguez)\
**Replies:** 2\
**Last updated:** [June 14, 2025, 8:37pm UTC](https://discourse.mcneel.com/t/unroll-srf/205839 "2025-06-14T20:37:37Z")

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Hello everyone, I’m trying to unroll some surfaces so as to make patterns to sew, but I am having trouble with the tools at my disposal: So the command \_UnrollSrf says this: Moreover, \_Squish gives me results con…

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## [UnrollSrf Vs Squish on developable surfaces](https://discourse.mcneel.com/t/unrollsrf-vs-squish-on-developable-surfaces/201931)

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**Author:** [@Adam\_Penner](https://discourse.mcneel.com/u/Adam_Penner)\
**Replies:** 3\
**Last updated:** [March 25, 2025, 8:03pm UTC](https://discourse.mcneel.com/t/unrollsrf-vs-squish-on-developable-surfaces/201931 "2025-03-25T20:03:35Z")

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On some surfaces that have very little distortion when using unrollsrf(0.01%), squish changes them a lot, sometimes over 50%. Has anyone else run into this and knows whats happening?

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## [Unroll Brep Problems](https://discourse.mcneel.com/t/unroll-brep-problems/195995)

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**Author:** [@Yannic1](https://discourse.mcneel.com/u/Yannic1)\
**Replies:** 4\
**Last updated:** [December 5, 2024, 9:34pm UTC](https://discourse.mcneel.com/t/unroll-brep-problems/195995 "2024-12-05T21:34:28Z")

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I hope someone here can help me here: When I unroll simple BREP geometries (for example my rectangular towers), this works without any problems. However, as soon as I want to unroll more complex shapes, difficulties ari…

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## [Straighten a series of jagged/curved polylines](https://discourse.mcneel.com/t/straighten-a-series-of-jagged-curved-polylines/192902)

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**Author:** [@Edwin\_Lam](https://discourse.mcneel.com/u/Edwin_Lam)\
**Replies:** 5\
**Last updated:** [October 12, 2024, 2:04pm UTC](https://discourse.mcneel.com/t/straighten-a-series-of-jagged-curved-polylines/192902 "2024-10-12T14:04:59Z")

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Hello, i have a series of polyline in jagged/curved shape and i want to unwrap and straighten it into a straight line with the points shown too how do i do it?

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## [Unroll Polysurface not working - Please Help!](https://discourse.mcneel.com/t/unroll-polysurface-not-working-please-help/189319)

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**Author:** [@kip\_jarrett](https://discourse.mcneel.com/u/kip_jarrett)\
**Replies:** 10\
**Last updated:** [August 12, 2024, 8:14pm UTC](https://discourse.mcneel.com/t/unroll-polysurface-not-working-please-help/189319 "2024-08-12T20:14:36Z")

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Hi Everyone, As the title suggests and hours of troubleshooting I am having issues getting the “Unroll Polysurface” parameter working in Grasshopper. It shows them squished and at weird angles instead of laying out stra…

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## [Unroll Polysurf or Profile Curve Flat (2D) in Rhino](https://discourse.mcneel.com/t/unroll-polysurf-or-profile-curve-flat-2d-in-rhino/188001)

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**Author:** [@Alex\_Grifka](https://discourse.mcneel.com/u/Alex_Grifka)\
**Replies:** 4\
**Last updated:** [July 19, 2024, 11:13am UTC](https://discourse.mcneel.com/t/unroll-polysurf-or-profile-curve-flat-2d-in-rhino/188001 "2024-07-19T11:13:22Z")

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Hello, I am having trouble getting this polysurface or even the profile curve to “unroll” flat (2D) I have tried Unroll, Smash, Squish, 2D layout, ect, everything I can think of and read all the other related topics he…

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## [Flatten model components (simple "flat" boxes) into co-planar rectangles](https://discourse.mcneel.com/t/flatten-model-components-simple-flat-boxes-into-co-planar-rectangles/148555)

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**Author:** [@Joe\_Binck](https://discourse.mcneel.com/u/Joe_Binck)\
**Replies:** 5\
**Last updated:** [March 3, 2024, 9:21pm UTC](https://discourse.mcneel.com/t/flatten-model-components-simple-flat-boxes-into-co-planar-rectangles/148555 "2024-03-03T21:21:53Z")

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So, I design kitchens, and I’m trying to figure out a way to easily take a fully modeled set of cabinets (modeled with every piece of plywood and wood as individual polysurfaces) and turn those into 2D rectangles (or at …

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## [UnrollSrf and Smash still not able to keep Mapping coordinates](https://discourse.mcneel.com/t/unrollsrf-and-smash-still-not-able-to-keep-mapping-coordinates/173315)

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**Author:** [@skysurfer](https://discourse.mcneel.com/u/skysurfer)\
**Replies:** 19\
**Last updated:** [February 6, 2024, 10:26pm UTC](https://discourse.mcneel.com/t/unrollsrf-and-smash-still-not-able-to-keep-mapping-coordinates/173315 "2024-02-06T22:26:51Z")

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Hi Folks, I’m trying to unfold a simple shape (Polysrf) while retaining the Uv coordinates from the shape to the flatten version. I’ve already found some good workaround here in the discourse but it’s not satisfying. …

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## [Rebuild, create surface, unroll and result no FlowAlongSrf](https://discourse.mcneel.com/t/rebuild-create-surface-unroll-and-result-no-flowalongsrf/171703)

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**Author:** [@Edward\_Sager](https://discourse.mcneel.com/u/Edward_Sager)\
**Replies:** 3\
**Last updated:** [December 18, 2023, 3:33am UTC](https://discourse.mcneel.com/t/rebuild-create-surface-unroll-and-result-no-flowalongsrf/171703 "2023-12-18T03:33:17Z")

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I created an ellipse and rebuilt it to have 40 sections. Next, I used a polyline to connect all of the points so that I created an ellipse-like shape. I then Extrude that new curve. Next, I Unrollsrf. This results in 40…

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## [Unroll Surface Splitting Unnecessarily](https://discourse.mcneel.com/t/unroll-surface-splitting-unnecessarily/166834)

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**Author:** [@20digitdesign](https://discourse.mcneel.com/u/20digitdesign)\
**Replies:** 6\
**Last updated:** [October 6, 2023, 9:13pm UTC](https://discourse.mcneel.com/t/unroll-surface-splitting-unnecessarily/166834 "2023-10-06T21:13:51Z")

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I have a model that the unrollsrf command will operate well on individual surfaces when it is exploded. But when I try to unroll the whole thing as a polysurface the operation splits the surfaces up into a million pieces…

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## [UnrollSrf - Hull Development](https://discourse.mcneel.com/t/unrollsrf-hull-development/160410)

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**Author:** [@Jure\_Bebić](https://discourse.mcneel.com/u/Jure_Bebi%C4%87)\
**Replies:** 0\
**Last updated:** [May 24, 2023, 8:03am UTC](https://discourse.mcneel.com/t/unrollsrf-hull-development/160410 "2023-05-24T08:03:17Z")

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Dear All, Would anyone happen to know why a minuscule nudge would result in such a huge area difference when unrolling? Screenshots attached. GAUSSIAN RANGE: -1e-10/ -1e-15 STARTING SURFACE \> Area is 38.2331 sq millim…

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## [Unroll sheet metal panel issue](https://discourse.mcneel.com/t/unroll-sheet-metal-panel-issue/160040)

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**Author:** [@Radu\_Cuculea](https://discourse.mcneel.com/u/Radu_Cuculea)\
**Replies:** 2\
**Last updated:** [May 18, 2023, 5:19am UTC](https://discourse.mcneel.com/t/unroll-sheet-metal-panel-issue/160040 "2023-05-18T05:19:50Z")

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Hello, I’m trying to unroll a sheet metal shape surface, but unfolding surfaces is not coming the way that I need. There is any possibility to unfold the surface exactly like in image attached for CNC? Thank you. Shee…

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## [Unroll mesh on a flat surface](https://discourse.mcneel.com/t/unroll-mesh-on-a-flat-surface/146164)

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**Author:** [@Mohammed\_Atif](https://discourse.mcneel.com/u/Mohammed_Atif)\
**Replies:** 4\
**Last updated:** [August 5, 2022, 6:55pm UTC](https://discourse.mcneel.com/t/unroll-mesh-on-a-flat-surface/146164 "2022-08-05T18:55:06Z")

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Hello, I’m not able to unroll the polysurface/mesh on a flat surface. Can someone please help me out with the script. I’m attaching the file here. Thank You. Untitled.3dm (8.0 MB) unnamed.gh (8.6 KB) I’ve tried usi…

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## [Lost list order when Unroll surface with geometries](https://discourse.mcneel.com/t/lost-list-order-when-unroll-surface-with-geometries/130614)

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**Author:** [@stefano.arrighi](https://discourse.mcneel.com/u/stefano.arrighi)\
**Replies:** 6\
**Last updated:** [October 3, 2021, 7:49am UTC](https://discourse.mcneel.com/t/lost-list-order-when-unroll-surface-with-geometries/130614 "2021-10-03T07:49:41Z")

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I noticed that if you unroll multiple geometries together with a surface, the original items order is lost. I tried with multiple unroller but the result is the same. Probably because they all call the same rhinoscripts…

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## [Unroll Surface not working in grasshopper](https://discourse.mcneel.com/t/unroll-surface-not-working-in-grasshopper/106459)

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**Author:** [@technostark](https://discourse.mcneel.com/u/technostark)\
**Replies:** 10\
**Last updated:** [August 2, 2020, 9:13am UTC](https://discourse.mcneel.com/t/unroll-surface-not-working-in-grasshopper/106459 "2020-08-02T09:13:32Z")

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When I use the unroll command in Rhino, the surface seems to unroll normally. However, when I use the same code in a GhPython, things go haywire. Sometimes the development doesn’t even come out and it gives the error “N…