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How to fillet an offset
joshua_galloway530
Member Posts: 4 ✭
So I have a board with letters. The recess for the letters is good but the letters' corners are not curved. I added the fillet to the main outline but when I added an offset (insert) the fillet didn't stay. I have attached screenshots of the plans. Any help in getting the inside corner to be filleted would be helpful.
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Best Answer
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joshua_galloway530
Member Posts: 4 ✭
I managed to solve it, I had to remake the outside line as the "full" shape, no rounded corners or anything like that, then do the inset, then do the fillet. Thanks everyone for your help!
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Answers
If you offset an arc (fillet) inward then the radius will reduce - the corner gets sharper. That's maths, no way around it.
Perhaps you could just offset the straight edges and then create new internal fillets of matching radius to the external ones.
Joshua, you could apply fillets without doing them in the sketch. Just in case you are unaware, there is a fillet tool in the part studio. Would that be applicable to your needs? - Scotty
For something like this I would make the recesses with the Boolean tool with Offsetting all surfaces. Then I would use the Selection Fillet custom feature to select all the inside edges which are similar.
https://forum.onshape.com/discussion/13958/new-custom-feature-selection-fillet
I managed to solve it, I had to remake the outside line as the "full" shape, no rounded corners or anything like that, then do the inset, then do the fillet. Thanks everyone for your help!