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Difficulty Lofting with Guides

ethan_khosh305ethan_khosh305 Member Posts: 6

Hello!

I'm trying to loft the following cross-section to a point:

image.png

I want to loft along the curved guide lines that lead from the vertices of the cross section to the top point. However, when I try to add those guides into the loft, I get the following error:

image.png

I believe it's having a tough time reconciling the guide and the end vertex. I'm trying to create a shape that maintains the star cross-section the whole way through, but pulls out to a point with the same curvature as the identical perpendicular sketches. If I add multiple edges to the guides, no preview whatsoever appears.

If anyone has advice to fix the loft error or other ways to get this shape, that would be great.

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Answers

  • MDesignMDesign Member Posts: 765 ✭✭✭

    you may have to play with start and end conditions and magnitudes. If you can share a link to the document others could give it a whirl and let you know if how they would do it. Also for something repetitive like that I'd consider doing 1/4 of it and circular pattern it. if it can't be done with a full bottom sketch profile you might need to do it one surface at a time… which makes even more of a caste for circular pattern.

  • ethan_khosh305ethan_khosh305 Member Posts: 6

    Thanks for the tip, I'll try that. In the meantime, I've attached a link.

  • ethan_khosh305ethan_khosh305 Member Posts: 6

    Here is a link to my document: https://cad.onshape.com/documents/ddb4931800ab4cc6ca281f2b/w/a1aad1ebaee893ef456107f5/e/f9bc1b494025e7d23c4778d3?renderMode=0&uiState=6810dbade924be19c1175517

  • MDesignMDesign Member Posts: 765 ✭✭✭
    image.png

    Probably easiest to use fill surface and a couple of mirror features.

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