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Rough Shape

Posted: Fri Nov 19, 2021 11:59 am
by mattpeneguy
Someone over on Reddit asked how to make a rough shape similar to the attached part. Can anyone use a fillet on the top and bottom that transitions? I figured Full Round Fillet would just do the math, but it doesn't.

Re: Rough Shape

Posted: Fri Nov 19, 2021 12:20 pm
by KevinC
The two cuts don't go to the wide end, so 2 narrow flats are created, which impacts the fillets.
image.png

Re: Rough Shape

Posted: Fri Nov 19, 2021 12:48 pm
by KevinC
I added operations so that the original block runs to the end, eliminating the land I showed in my previous post.
I reorder the fillets and made the long edges as VarFillets computed at half the end widths in the sketch picture sketch (I had to add these dimensions).
Then I did each end, increase the radius to minimize the remaining central oval. (SW2019 attached)
image.png

Re: Rough Shape

Posted: Fri Nov 19, 2021 6:49 pm
by mattpeneguy
Interesting Kevin. I only have 2018 here at home. I'll have to take a look at what you did when I get back to work. I honestly don't mess with fillets too often, but thought the software should be able to do it on it's own...Good to know it does and I'm just ignorant.

Re: Rough Shape

Posted: Sat Nov 20, 2021 12:35 am
by zxys001
mattpeneguy wrote: Fri Nov 19, 2021 11:59 am Someone over on Reddit asked how to make a rough shape similar to the attached part. Can anyone use a fillet on the top and bottom that transitions? I figured Full Round Fillet would just do the math, but it doesn't.
they could simplify it into a quadrant and mirror/mirror?

Re: Rough Shape

Posted: Sat Nov 20, 2021 8:09 am
by Lucas
zxys001 wrote: Sat Nov 20, 2021 12:35 am they could simplify it into a quadrant and mirror/mirror?
That's cool, tried to make a similar one.

2 ellipses, 3DSketch converted and trimmed an applied Normal to Profile on the Boundary
image.png