topic Re: I should know better: why is this not a closed shape that I can extrude? in Fusion Design, Validate & Document Forum https://forums.autodesk.com/t5/fusion-design-validate-document/i-should-know-better-why-is-this-not-a-closed-shape-that-i-can/m-p/14244365#M334709 <P>This one helped me to remember how to combat this issue.<BR /><A href="https://www.youtube.com/watch?v=rD2kfmKYMyg" target="_blank">https://www.youtube.com/watch?v=rD2kfmKYMyg</A></P> Tue, 25 Aug 2026 13:20:55 GMT dargas22 2026-08-25T13:20:55Z I should know better: why is this not a closed shape that I can extrude? https://forums.autodesk.com/t5/fusion-design-validate-document/i-should-know-better-why-is-this-not-a-closed-shape-that-i-can/m-p/14238466#M334533 <P>I tried all my tricks and can't find the error. If you solve it also please remind me of a reliable technique so I never forget again!</P> Wed, 19 Aug 2026 14:48:02 GMT https://forums.autodesk.com/t5/fusion-design-validate-document/i-should-know-better-why-is-this-not-a-closed-shape-that-i-can/m-p/14238466#M334533 rpsalas 2026-08-19T14:48:02Z Re: I should know better: why is this not a closed shape that I can extrude? https://forums.autodesk.com/t5/fusion-design-validate-document/i-should-know-better-why-is-this-not-a-closed-shape-that-i-can/m-p/14238471#M334535 <P>When you drag the white line-end point, you'll see that it isn't constrained. An coincident constraint with the other line end will take care of this.</P> Wed, 19 Aug 2026 14:53:07 GMT https://forums.autodesk.com/t5/fusion-design-validate-document/i-should-know-better-why-is-this-not-a-closed-shape-that-i-can/m-p/14238471#M334535 TrippyLighting 2026-08-19T14:53:07Z Re: I should know better: why is this not a closed shape that I can extrude? https://forums.autodesk.com/t5/fusion-design-validate-document/i-should-know-better-why-is-this-not-a-closed-shape-that-i-can/m-p/14244135#M334702 Thanks! I was never clear what the white vs. dark points are trying to tell me. That was it!<BR /><BR /> Tue, 25 Aug 2026 10:57:02 GMT https://forums.autodesk.com/t5/fusion-design-validate-document/i-should-know-better-why-is-this-not-a-closed-shape-that-i-can/m-p/14244135#M334702 rpsalas 2026-08-25T10:57:02Z Re: I should know better: why is this not a closed shape that I can extrude? https://forums.autodesk.com/t5/fusion-design-validate-document/i-should-know-better-why-is-this-not-a-closed-shape-that-i-can/m-p/14244365#M334709 <P>This one helped me to remember how to combat this issue.<BR /><A href="https://www.youtube.com/watch?v=rD2kfmKYMyg" target="_blank">https://www.youtube.com/watch?v=rD2kfmKYMyg</A></P> Tue, 25 Aug 2026 13:20:55 GMT https://forums.autodesk.com/t5/fusion-design-validate-document/i-should-know-better-why-is-this-not-a-closed-shape-that-i-can/m-p/14244365#M334709 dargas22 2026-08-25T13:20:55Z