Intersect Faces Problem


I have an aluminum extrusion, moderately complex, and I want to drill a hole through it. I have tried to do this using Intersect Faces with no reasonable result. Extrusion Test.skp (1.1 MB)

This uploaded example shows the extrusion with a guide point where I want to drill a hole of 1/2 inch radius down through the extrusion. Please help me understand how to do this in Sketchup.


Like this?
Extrusion Test.skp (139.5 KB)

Try scaling up by a factor of 100 or 1000 before doing the intersection.


Yes, excellent. It looks like I’ll have to use this trick when I create the extrusion, because I see that it has a few ‘glitches’ in it.


My normal procedure is to do as much modeling of the component at normal size and then make a component of it before I do anything that might create problem geometry. I scale a copy of the component up by 100 or 1000 and do what I need to do. When I’m finished, I close the large copy of the component and delete it. Zoom Extents returns to the original which is all nice and pretty.


Thanks for the tip.



Dave, thanks again for your help. I have a posting in the Features Requests category and wonder if you could comment on it.



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