Have you tried this?
CC3BoundingBox bounds = makeBounds (9.5, 5.0, 4.0, 0, 0, 0); CC3MeshNode * cube = [[CC3MeshNode alloc] init]; [cube populateAsSolidBox: ];
This is how the boxes are created in the project indicated above. I played with the project and extracted the code to draw a simple box:

Greetings
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