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Help using sweep to create an inverse fillet
jan_bader301
Member Posts: 4 ✭
Hello,
I'm having trouble creating an "inverse fillet". My goal is to recreate the bottom fillet on a box for the top edge so they can be stacked easily.
Here's my current drawing. Sweep works nicely when I select the circle for the form and a single edge. As soon as I try to follow the edge and select one of the corners, OnShape fails because the sweep intersects. Doing each edge in a separate sweep doesn't do what it's supposed to - supposedly because of the circles orientation in the sketch.
My next try would be to create a sketch for each fillet, but that seems excessive and I hope there's a better way. Looking forward to any tips!
Thanks,
Jan
Best Answer
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glen_dewsbury
Member Posts: 1,214 PRO
Having the same fillet radius inside and out (10mm) does not give s good transition around the corners. The corner by that method causes a thickening at the mid point of filleted around the corner.
1
Answers
Having the same fillet radius inside and out (10mm) does not give s good transition around the corners. The corner by that method causes a thickening at the mid point of filleted around the corner.
https://cad.onshape.com/documents/39513ab339bd67686ae45ebc/w/f9fa650b1b3024298632ac6a/e/c867a084dfd65722998f5c57
Hello Jan. How about stacking a couple and doing a Boolean Remove? - Scotty
You need to remove the part of the circle that will "turn back on itself" in the corners.
Just draw a vertical line in you path (aligned with the inner wall) and only sweep the part of the circle on the left of it:
Thanks a lot, that helped.