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Generators

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Sander van Rossen edited this page Oct 24, 2026 · 4 revisions

Generators create brushes for you and keep the context of what you are making: a staircase stays a staircase you edit by its step height and depth, instead of a pile of separate brushes.

  • Box
  • Cylinder
  • Capsule
  • Stadium
  • Hemisphere
  • Sphere
  • Torus
  • Extruded shape (see Drawing 2D Shapes)
  • Revolved shape
  • Linear stairs
  • Spiral stairs
  • Pathed stairs

Stairs generator

Draw them with the create tool in the scene view's tool bar: pick a shape, then click and drag on the grid or on a surface. The create tool draws boxes, cylinders, capsules, hemispheres, spheres, linear and spiral stairs, and free drawn shapes; every generator can also be created with GameObject > Chisel > Create Generators.

Create tool

Converting to brushes

A generator can be turned into plain brushes with the Convert to Brush (or Convert to Brushes) button in its inspector. Brushes are the simplest shapes: you edit them by moving, adding and removing their corners, edges and faces. A converted generator can't be turned back into a generator.

Convert to brush

Brush editing

Home

Building geometry

Precision

Surfaces and texturing

Output

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