Move the Rounded tetrahedron with the mouse. The surface is given by T[u_,v_]:={Sin[v] Sin[u/2],Cos[v] Cos[u/2],Cos[u]} and was suggested by R. Yeh |

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Made with Java code from LiveGraphics3D . It is based on Mathematica 3DGraphics. The source code, written to produce the surface. |