| Type | Location | Extends | Description |
|---|---|---|---|
| aabb_node_object | fossil_aabb_node_object | None | FOSSIL Axis-Aligned Bounding Box (AABB) tree-node class. |
| aabb_object | fossil_aabb_object | None | FOSSIL Axis-Aligned Bounding Box (AABB) class. |
| aabb_tree_object | fossil_aabb_tree_object | None | FOSSIL Axis-Aligned Bounding Box (AABB) tree class. |
| facet_object | fossil_facet_object | None | FOSSIL, facet class. |
| file_stl_object | fossil_file_stl_object | None | FOSSIL STL file class. |