# A curve cutting a shape in a solid

**URL:** <https://discourse.mcneel.com/t/a-curve-cutting-a-shape-in-a-solid/214158>\
**Category:** Rhino\
**Tags:** windows\
**Created:** [January 2, 2026, 9:19pm UTC](https://discourse.mcneel.com/t/a-curve-cutting-a-shape-in-a-solid/214158 "2026-01-02T21:19:57Z")\
**Posts on this page:** 1\
**Showing post:** 11

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**Author:** ![Tom\_P](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/tom_p/32/766520_2.png) [@Tom\_P](https://discourse.mcneel.com/u/Tom_P)\
**Post date:** [January 3, 2026, 10:37am UTC](https://discourse.mcneel.com/t/a-curve-cutting-a-shape-in-a-solid/214158/11 "2026-01-03T10:37:51Z")

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> [@encephalon](#):
>
> > [@Tom\_P](#):
> >
> > \_toNurbs will do it.
> 
> no.

yes  
🙄

PolyLine + Fillet = Polycurve (line - arc - line)

 ![Screenshot 2026-01-03 at 11.30.50](https://global.discourse-cdn.com/mcneel/uploads/default/original/4X/4/b/a/4ba3da3d6abe03fecd31bdecf77d83851aeed87b.png)

\_toNurbs = single Nurbs Curve

 ![Screenshot 2026-01-03 at 11.31.19](https://global.discourse-cdn.com/mcneel/uploads/default/original/4X/a/1/a/a1a936f480d76680905a73291166e224685478a2.png)

> [@RhinoCommon equivalent of "Explode"](https://discourse.mcneel.com/t/rhinocommon-equivalent-of-explode/21093/8):
>
> The explode command searches for `ON::Gsmooth_continuous` discontinuity, which is what we call aesthetic discontinuity. I

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