Pinch

Reference

Mode:

Sculpt Mode

Brush:

Sidebar ‣ Tool ‣ Brush Settings ‣ Advanced ‣ Brush Type

Pulls geometry towards the center of the brush. When inverted via Ctrl it will Magnify geometry by pushing them away from the center of the brush.

Brush Settings

General

Catatan

More info at General brush settings and on Advanced brush settings.