- Fix T97793: when a UV coordinate after vt is missing, use zero. While at it, also use zeroes for positions & normals, since "maximum possible float" is very likely to cause issues in imported meshes. - Fix T97795: use 1.0 default if -bm value is missing, instead of zero. Reviewed By: Howard Trickey Differential Revision: https://developer.blender.org/D14826