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Trouble with Extruding a Difference (by Joseph)
Hello,

I'm having trouble using the "difference" option of extrude, per the tutorial here:
http://solvespace.com/bracket.pl

When I create my second sketch which is to be the cut, everything goes well. When I try to extrude it however, it instead creates a wire-frame of the existing piece, offset the distance of the extrusion. This happens regardless of if I set the extrude to union or difference. I am unsure of the issue.

The piece I am working on is currently hollow, with several internal chambers. I'm trying to remove half of the cylinder, so that those chambers are exposed.

See attached image.

Thoughts?
Mon Jan 7 2019, 19:22:42, download attachment Screenshot from 2019-01-07 19-22-09.png
(no subject) (by Andrew)
To create the sketch for the extrusion you have to create a new group, sketch in new work plane, rather than selecting a plane for sketch in plane, and drawing in 3d.

The property browser should show:-

g001-preferences
g002-sketch-in-plane
g003-extrude
g004-sketch-in-plane
g005-extrude

Also, if you are sketching in 3d, the lines will be green, indicating construction lines.
Mon Jan 7 2019, 20:08:24
(no subject) (by Joseph)
Thanks, Andrew! That did the trick.
Mon Jan 7 2019, 20:31:41
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