openblocks/asset-srcs/models/NOTE.txt

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sphere.obj was made by subdividing a cube, unwrapping it using cube projection, and then using the "To-sphere" tool in Blender to fully smoothen it out.
Make sure you select "shade smooth" before exporting!
Other settings:
Up axis: Y
Forward axis: -Z
The winding order in .obj files is always counter-clockwise, so my script (genmesh.py) uses reversed() to reverse this and homogenous the winding order
across meshes