Surface > Advanced... > Face Visibility

Shade3D Material

PBR Material

Inherit (Default)

This is the conventional setting. It does not inherit from the surface material of superior part.

Double Sided

Set the surface material on double sides.

Single Sided

Set the surface material on single side.

Note For shadow, indirect light, the setting will be ignored. Light shadows from the backside will also be cast.

Specifications

Effect in Ray Tracing

Effect in Figure Window (Display Mode : Single Sided)

Effect in Figure Window (Display Mode : Double Sided)

Effect in Figure Window (Display Mode: Double Side (Color Back Faces))

glTF Exporter

The Single Sided and Double Sided settings will be reflected.

The Inherit is treated as single sided.