Blender add-on extension development

When to Use

Use when adding Blender properties or UI, render settings, scene or USD conversion, interactive edits, render sequences, sensor products, viewport presentation, diagnostics, or tests.

Boundary

Work in the distributed source checkout and use its documented add-on and runtime interfaces. Start with an add-on implementation and use a minimal capability probe before reporting a missing runtime capability.

Use paths below relative to the source root. Preserve guarded bpy imports so pure modules and tests remain importable outside Blender. Keep all worker calls on the existing serialized session-owner/render thread.

Instructions

Choose the narrowest route before editing: