Wolfram|Alpha has stellation surface area calculators. Solve surface area problems related to first cuboctahedron, dodecahedron, icosidodecahedron or rhombic dodecahedron stellations; second dodecahedron or rhombic dodecahedron stellations; third dodecahedron, icosahedron or rhombic dodecahedron stellations; echidnahedra; great rhombic triacontahedra; eleventh icosahedron stellations; rhombic hexecontahedra; small triambic icosahedra; stellated octahedra; and first tetrahedron 10‐compounds.
