Zbrush | How to Isolate 3 Strips of Polyloop With SelectLasso Brush

Hide 3 strips of left/right polyloop with the bottom strip as a frame for a curve line.

Ctrl Shift Tap on an Edge for each Polyloop.

Then Ctrl Shift tap on a Polygon to invert the visibility.

This way we can look from the top or bottom

to check on the thickness and depth of the belt later on.