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Fill not working for spoon shape

VMVM Member Posts: 15 PRO

Hello,

This is probably a well known issue that could be resolved easily. I just request guidance on how to troubleshoot. I am creating a spoon shape using projected curves and splines. I'm at the stage where I created a fill using the projected curves and splines. The error message states that it cannot create a fill surface with selected boundary conditions. Continuity requirement might be too high. Any input would be greatly appreciated. Thank you!

https://cad.onshape.com/documents/87cc7fbe47a7d182f402d4c3/w/8b01a5d5de4e287fa7244c0d/e/9c6c48f0d1940094919374c9?renderMode=0&uiState=66f34332165b115660655eab

Comments

  • S1monS1mon Member Posts: 2,799 PRO

    If you can make this public, it will be easier to help.

    I would recommend making the curves that you project from single Béziers, if at all possible. I would also mirror the projected curve so that you can create the fill surface all at once instead of making half and mirroring the surface. You'll get a better surface without defects at the mirror plane. It seems like you have more cross-sections than necessary. I would start with as few as possible and only add if you're not getting the desired results. I would also make these single span Béziers.

  • VMVM Member Posts: 15 PRO

    I have made the file public.

  • S1monS1mon Member Posts: 2,799 PRO

    One problem is that you included your guide curves in the list of edges. That doesn't work. Also your curves are not internally G2 continuous and I think that can cause issues with fill trying to be exact.

    Here's a test spoon shape with single span Béziers, and only one guide curve.

    https://cad.onshape.com/documents/3224c8b1f1b1ee8896dbef60/w/900bd9decd5bcd0fdb580ed4/e/5547e3146965fa961284fb62

  • VMVM Member Posts: 15 PRO

    Hello S1mon, Thank you for the information. Your example was very helpful. I was able to complete the spoon with your help.

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