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How can I fix a loft twisting?

will_dyerwill_dyer Member Posts: 3 ✭
edited January 2020 in Community Support
I am trying to create a Loft between 2 sketches, but Onshape keeps twisting the shape around. I have tried matching vertices, but then Onshape just twists the other end, as you can see in the screenshots. The 1st and 2nd screenshots are the results when I match the rearmost vertices on each sketch, the 3rd screenshot is the 2 sketches I am trying to loft between, and the 4th and 5th screenshots are the result when I match the frontmost vertices on each sketch. Project linked here https://cad.onshape.com/documents/7b5c948934dab1717167f29c/w/8440194c5c881e91e0276d72/e/c5fa51d402d9f497174d247dvertices.
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    john_mcclaryjohn_mcclary Member, Developers Posts: 3,897 PRO
    Can you link your document?
    Have you also tried using guide curves?
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    NeilCookeNeilCooke Moderator, Onshape Employees Posts: 5,367
    Both sets of profiles need the exact same number of entities. Unfortunately you can only match one set of vertices (hopefully that’ll get fixed) so you can either edit the profiles to match up the vertices or create several lofts using surfaces. 
    Senior Director, Technical Services, EMEAI
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    will_dyerwill_dyer Member Posts: 3 ✭
    john_mcclary said:
    Can you link your document?
    Have you also tried using guide curves?
    I can link it here, and will edit the post so it is linked in the post https://cad.onshape.com/documents/7b5c948934dab1717167f29c/w/8440194c5c881e91e0276d72/e/c5fa51d402d9f497174d247d
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    NeilCookeNeilCooke Moderator, Onshape Employees Posts: 5,367
    @will_dyer you will have to make the doc public so people can copy/edit to get the solution. The issue is the number of entities. If you create a new sketch on the same plane as the generated profile, you can "use" the profile entity and split it into two at the leading edge.
    Senior Director, Technical Services, EMEAI
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    will_dyerwill_dyer Member Posts: 3 ✭
    NeilCooke said:
    @will_dyer you will have to make the doc public so people can copy/edit to get the solution. The issue is the number of entities. If you create a new sketch on the same plane as the generated profile, you can "use" the profile entity and split it into two at the leading edge.
    Document is now public, but I'm not entirely sure what you mean by split the airfoil into 2
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