Read Blender BLEND for OBJ output
A Blender BLEND-to-OBJ workflow connects the Blender BLEND reader to the OBJ writer. Select the model items and output representation needed by the receiving application.
Read the supported mesh and scene content from the Blender file. Blender authoring data such as procedural operations or editing history must not be treated as exported CAD geometry.
Prepare polygonal geometry for OBJ
The Assimp integration provides mesh geometry, colors, materials and scene structure for its supported inputs. Pass that data to a separate OCCT or commercial writer. For STEP, STEP XML or DXF output, use the mesh-capable representation; this does not reconstruct BRep surfaces from polygons.
Write the selected surface mesh with the OBJ interface. Establish whether the consumer needs per-part grouping, normals or supported appearance information, and preserve any associated material resources produced by the writer. A polygon file is not a replacement for the full CAD document.
Check the OBJ result
Check which objects and their visible geometry are present in the imported result. Keep the original Blender project for authoring data that the exchange route does not retain.
Check the OBJ in the receiving graphics or geometry tool, including scale, face orientation, grouping and companion-file references. Where a flat mesh cannot retain the original assembly relationships, keep that engineering information separately.
Discuss this conversion with the producing and receiving applications, representative files and required geometry and attributes. Compare the reader/writer catalog when a different representation is needed.