File extensions: .m3d .c3d .igs .sat .stl .stp .wrl .x_b .x_tFull compliance with the original dimensions.If you need a different color of the faucet handle, yellow or blue - write. I will.Very useful when designing pipeline systems, boiler rooms, bathroom, etc.I can make custom models of fittings for pipelines and much more. Any level of complexity and detail.