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Ctrl+Shift not extruding polygons?

I’m having a problem with Ctrl+Shift not extruding polygons?

I’m masking off a piece of my model, I invert the mask, use the move Transpose tool, Ctrl+Shift click the middle circle of the Move Transpose tool and it’s not extruding the polygon, just moving it in a uniform way??

Any ideas what I’m doing wrong?

Okay, figured it out.

I didn’t realize you have to delete your higher or lower geometry levels to make this option work. :rolleyes:

As far as I know any option or tool that changes the number of points (vertices) cannot contain any sub-division levels.

I usually make a duplicate, delete the higher levels, make my changes, and then reproject the high details back into the new model. Sometimes you can freeze subdivision levels but I’ve found that gets some weird issues at times.