幾何作圖

 

Animation of Rhombic Polyhedron with 132 Rhombic faces

Animation of Rhombohedron

Dual For Cube

Icosidodecahedron

Rhombic Dodecahedron

rhombic icosahedron in regular octahedron in regular tetrahedron in cube in rhombic dodecahedron

Rhombic Triacontahedron

Great Rhombicuboctahedron

Rhombic Dodecahedron By Half-sphere

Rhombohedrons in Dodecahedron

Small Rhombicuboctahedron

Square cupola

Triangular Cupola

Variations of Deltoidal Hexecontahedrons

5 Cube inside Regular Dodecahedron

Dodecahedron by Icosahedron

Great Rhombicosidodecahedron

Octahedron 5-Compound

Samll Rhombicosidodecahedron

Tetrahedron 5-Compound

Continuous Decompositions of a Cube into Six Congruent Parts

Continuous Patterns on Dodecahedron Projected by the Cube

Regular Dodecahedron Inside Cube

Regular Octahedron Inside Cube

The Large Regular Dodecahedron Contain A Cube

The Large Regular Octahedron Contain A Icosahedron

The Large Regular Tetrahedron Contain A Icosahedron

Cube Projected on Regular Dodecahedron

Cube Projected on Regular Dodecahedron

Deltoidal Icositetrahedron

Shadow of a Cube Cast on Rhombic Dodecahedron

Shadow of a Cube Cast on Rhombic Dodecahedron

Tetrahedron Projected on Regular Tetrahedron

Asymmetric Kaleidocycle

Inspired by Paper Folding

Jitterbug

Kaleidocycle with Asymmetric Polyhedrons

Kaleidocycles-4

Kaleidocycles-5

Tight Kaleidocyle

A Ellipse in 3-Dimensional Space

A Parabola in 3-Dimensional Space

Common Tangent Cones of Three Spheres

Two Perspetive Quadrilaterals Having One Point in Common

Three-Circle Theorem on Sphere

Steiner Porism II

Steiner Porism

A Chain of Four Circles Each Tangent to Two Fixed Intersection Circles

Triangle Torus and Tangent

villarceau circles 2

villarceau circles

villarceau circles-12

20 Inscribed Circles of Faces of Icosahedron Inverted

Cricles Inscribed on Faces of Dodecahedron Inverted

Inversion of Inscribed Circles of Faces of Great Rhombicuboctahedron

Inversion of Inscribed Circles of Faces of Tridiminished Icosahedron_html

24 Circles on the Same Plane, Each Touching Four Others

Inversions of Incircles of Faces of Octahedron_html

Inversions of Incircles of Faces of Triangular Cupola