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How to thicken and connect two curved surfaces in Onshape?

mahdiye_hassanpoormahdiye_hassanpoor Member Posts: 2
Screenshot 2025-11-06 152800.png

I made this curved surface (image attached) but can’t thicken it or join two copies together. I tried transforming one piece to connect them, but they end up with open edges.

Both Fill and Thicken fail or give errors. Any tips on how to properly close and thicken shapes like this in Onshape?

Comments

  • MDesignMDesign Member Posts: 1,198 PRO

    gonna need to see the doc to zero in on the issue. but short answer is try a really thin thicken dimension to see if it works. you might have to clean up how the surface is made to allow it to thicken properly. without creating issues like it wanting to overlap volumes. hard to explain with out visuals.

  • eric_pestyeric_pesty Member Posts: 2,419 PRO

    If you just want the equivalent to an "extrusion" you should be able "transform copy" the surface (up or down) and loft between the two surfaces

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