DocumentationSubstance 3DSubstance 3D Designer

Shell

Last update: Tue Apr 14 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

Shell icon

In: SDF function > Operator

Description

Makes an SDF shape hollow, with adjustable thickness for its resulting envelope.

Inputs

SDF Float
The input SDF shape.
Thickness Float
The thickness of the shell, applied both inwards and outwards.
The shell is rounded when thickness is increased.

Default: 0.02
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