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Write OBJ

OBJ out, optionally with a sibling MTL, and with quads preserved if the mesh has them.

Write OBJ node

The Write OBJ node

When to use it

OBJ out, optionally with a sibling MTL, and with quads preserved if the mesh has them.

Pins

Pin Type Description
Mesh Mesh The mesh to save. An OBJ has no room for a skeleton, so bones and skin weights get dropped.

Settings

Setting Type Description
Scale Number Multiplies every vertex position on the way out. OBJ records no units at all, so these numbers are the only thing the receiving app has to go on.
Colored Materials True/False Writes a matching .mtl next to the OBJ, one entry per material slot, each with its own flat colour so the sections are easy to tell apart. No textures go in it. Turn it off and the OBJ arrives with no material references at all.
Vertex Colors Choice What goes into the per-vertex colour columns: the mesh's own colours, one flat colour per material section (the same colours the sculpt viewport shows in Section Colors), or nothing. Alpha is dropped either way, since OBJ has nowhere to put it.
Setting Type Description
Quad Export True/False Pairs triangles back up into quads before writing, so the file opens in Maya or Blender as a quad mesh instead of a triangle soup. Adds time on a dense mesh.
Respect UV Seams True/False Stops a quad being formed across a UV seam, so islands are not stitched shut by the quad pass.
Respect Hard Normals True/False Stops a quad being formed across a hard edge, so creases stay crisp.
Quad Metric Clamp Number How far off square a pair of triangles can be and still be merged, 0 to 1. At 1 almost every pair qualifies. Pull it down and only clean, flat, near-square pairs turn into quads, leaving everything else as triangles.
Quad Adjacency Weight Number How much a candidate quad is favoured for sitting next to quads already made. Raise it to get long continuous runs of quads; drop it to 0 and the finder picks the best pairs wherever they are, so quads end up scattered through leftover triangles.
Quad Search Rounds Whole number How many passes the quad finder makes. Each extra pass sweeps up triangles the one before it left behind, and costs time.