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It's a 3D modeling software called Rhinoceros. (I have a background in architecture)... It's a fun software to play around with :)

rhino as engineer i used rhino for 3D design and for meshes geomagic and simulations solidworks or solid edge. Great job man :)

Hey thanks! Yeah, rhino's such an excellent resource for design and engineering. I really need to teach myself some simulation software.