Geometric Construction

940221 馬友倫 數學系二年級應數組

Any Two Circles on a Sphere are Perspective

Center of a Circle Under Stereographic Projection

Villarceaux Circle

Equilateral Triangle Torus

Hyperbolic Paraboloid

Pentagonal Cupola

Square Gyrobicupola as Convex Hull of Six Squares

Triangular Gyrobicupola as Convex Hull of Tetrahedra

Truncated Octahedron from a Cube

Truncated Tetrahedron as Convex Hull

Octagonal post

Spin of Cube

Construction of a Triangular Cupola starting with a triangle

Construction of a Rhombic Dodecahedron from a Cube

Square and Regular Triangle

Pentagrammic Antiprism

Icosidodecahedron

Constructing Dodecahedron from Icosahedron

Cube 2-Compound

Cube 3-Compound

Cube 4-Compound

Cube 5-Compound

Cube and Octahedron

Five Octahedra in an Icosidodecahedron

Octahedra3-compound

Octahedra4-compound

Tetrahedron 5-Compound