Similar to the Flatten brush, but only pushes surfaces downward to the medium height.
Although Ctrl can be held to invert the effect to a Fill brush, if Invert to Fill is enabled. When disabled, the inverted direction will push surfaces away.
- Invert to Fill
When enabled, holding Ctrl while sculpting changes the brush behavior to be the same as the Fill brush. When disabled, holding Ctrl while sculpting, will push vertices above the cursor up away from the cursor.