Hi guys i want to draw a polygon (like with the polygon node with custom number of segment, plane ecc) but circumscribed not inscribed anyone can help me? many thanks

Well… Always the simplest is mathematical formula.:wink: [Canvas%20at%2001%3B18%3B46] Circumscribed_Polygon_reV4.gh (6.8 KB)

WoW ,HS_Kim, where did you get that math formula? this is kind of thing I didn’t learn at school.

Just to add to the list: [high res test]

The lazy way… // Grasshopper Script Instance using System; using Rhino; using Rhino.Geometry; using Grasshopper; using Grasshopper.Kernel; using Grasshopper.Kernel.Data; using Grasshopper.Kernel.Types; public class Script_Instance : GH_ScriptInstance { private void RunScript(Circle circle, int…

Here is a slightly less lazy way… [image] CircumscribedPolygon2.gh (6.3 KB) – Dale

I wonder where HS_Kim is right now, he has been a very active forum user for a long long time..

Circumscribed Polygon

Grasshopper

René_Corella (René Corella) February 18, 2026, 8:42pm 12

Fun detour/hack - thanks!

a must-have brute-force:

Always a fan of how geometry “doesn’t care” - reminds of this other thread, which I meant to share the other day when you said:

Topic		Replies	Views
Circumscribed polygon makes an inscribed one Rhino for Windows	5	603	August 6, 2018
V6 Bug (possible): Polygon tool Circumscribed defaults to Inscribed (corner)? Rhino for Windows	5	392	June 26, 2018
CreateCircumscribedPolygon returns points! Grasshopper Developer ghpython , rhinocommon , rhino6	5	557	November 4, 2020
Regular hexagon inscribed in a circle Grasshopper Developer	4	1321	February 10, 2020
Generate random pentagons with grasshopper Grasshopper	6	1359	January 15, 2020

Circumscribed Polygon

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