File: moon_buggy_asm.stp Size: 315kb, 4933 instances AP203 file, Unigraphics 10.5 File Created: 1995-11-07 Image Created: 1995-11-07 Moon Buggy assembly test file, used to verify good translations and exchange between the first STEP CAD implementations. Assembly with 23 components. The brep solids for the components were modeled with many different types of curves and surfaces, including five bspline surfaces, to test the geometric coverage of implementations.