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chamfer / fillet for inside undercut corner.?

see picture. the corner is 45*. i want to undercut, like the black line.

like chamfer or filet but inside for inside corners.

i know i can probably use the arc or circle tool but with a part with ALOT of inside corners this will be a huge job.

any suggestions?

onshape spm.jpg

Answers

  • eric_pestyeric_pesty Member, pcbaevp Posts: 2,467 PRO

    I think the corner overcut FS might be able to do the job?

    https://cad.onshape.com/documents/b99915c0b73924ca981bc57f/v/615cb6d9633a595a6bc99f8a/e/14458d1263a98640a0cf663c

    image.png
  • GregBrownGregBrown Member, Onshape Employees, csevp, pcbaevp Posts: 365 image

    +1 to Eric's answer. Also, if you have lots of edges to select, then a Query variable will likely be your best friend…

  • Derek_Van_Allen_BDDerek_Van_Allen_BD Member Posts: 379 PRO

    On that subject, I'll plug @hendrik_kueck's powerhouse of a CNC Overcuts feature that does the edge grabbing automagically and picks the logical CNC direction for each part you select.

  • michael_valbergmichael_valberg Member Posts: 7

    very nice tools, very nice suggestion thank you so much, BUT

    its probably m taht can*t use this tool probably but the corner is still there…

    i want the corner to look more liek the red line.

    onshape spm1.jpg
  • eric_pestyeric_pesty Member, pcbaevp Posts: 2,467 PRO

    The tool is meant to remove enough material so that another part with a "sharp" corner would fit.

    If you want more room, you can just add a "move face" feature after to add some clearance. If you have lots of edges, you can automate the selection with query variables:

    Overcut.gif
  • michael_valbergmichael_valberg Member Posts: 7

    perfect solution! thank you so much, =)

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