For the complete documentation index, see llms.txt. This page is also available as Markdown.
Occluders
Occluders are used as a rendering optimization to determine which objects are hidden from view and avoid rendering them. These are stored as box occluders (oriented boxes) or model occluders (low-poly triangle meshes).
Occluders are represented as a red semitransparent mesh.
The list of occluders can be found in Occluders tab panel in the sidebar.
Occluders tab panel
Each occluder can be linked to multiple mesh objects which are merged together on export. Each mesh object can use one of the following export modes:
Automatic: automatically detects box-shaped mesh islands (upright boxes or planes) and exports them as box occluders; everything else as model occluders.
Boxes Only: all mesh islands must be box-shaped. Non-box islands are skipped with a warning.
Models Only: export the mesh as-is as model occluders, without attempting box conversion
