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From: pressure (PEER)
If you have a bunch to do then make a tool that cuts the hole and countersink in one shot using Boolean > Diff

Attachments:
countersink.3dm
Image Attachments:
countersink.png
From: tom_tm (TOMF)
That's an excellent tip. Thanks!
From: christian (CHRI)
hi
You can call chamfer functiion !
christian
Image Attachments:
chamfer.png
From: shayno
Hi There
if a hole is too close to a side edge it will often not chamfer as the left block
using a cutting solid will also cut the edge out
cheers

Image Attachments:
Screen Shot 06-30-26 at 09.21 AM.JPG
From: blowlamp
Hi shayno.
Try using the ACIS option for chamfers in V5 - it seems to work just the same as boolean difference.
Martin.
From: ado1
MOI isn't very intuitive for holes when you first start using it, especially if you've moved from a CAD environment
If you want to drill a partial depth hole then you can use extrude/bothsides to your correct depth and boolean it out

Image Attachments:
hole1.jpg
hole2.jpg
From: tom_tm (TOMF)
ado1, I trained using Solidworks, and tbd, MoI3D comes pretty close in terms of workflow. Sure, there are differences of course, as Solidworks, at least the 2001 version of SW, is a full-on industrial/mechanical CAD experience. But the overall feel of MoI3D is more Solidworks than say, Cheetah3D. I love how MoI3D is very precise when using measurements. Few other 'modelling' CAD's offer that on a budget. It's brilliant that Michael Gibson is still after all these years supporting MoI3D, and because of I'll probably buy a copy as soon as I get paid.
But back to the countersinks, thanks to all about the chamfer. I initially tried that but it didn't work. But now I understand why.
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