Equilateral Triangle Torus    11/8

Projections-Intersection of a Skew Line with a Rotating Plane   11/8

Five Cubes in Dodecahedron   11/22

Five Tetrahedra in a Dodecahedron   11/22

Icosahedron Plus Dodecahedron   11/22

Construction of a Rhombic Triacontahedron from a Dodecahedron   11/22

立方體內的正四面體   11/22

由五邊形和三角形組成的Convex Hall   11/22

Five Octahedra in an Icosidodecahedron   11/22

不規則柱體   11/22

八面柱   11/22

底面五邊形側面三角形的Convex Hall   11/22

Construction of a Pentagonal Cupola starting with a Dodecahedron   11/22

Triangular Gyrobicupola as Convex Hull of Tetrahedra   11/22

平面和十二面體的交面   11/22

底面為星型的多面體   11/22

多面體展開圖   11/22

由兩個五邊形當底面和許多十邊形所成的Convex Hall   11/29

旋轉正八面體所成的多面體   11/29

由正方形和三角形所成的Convex Hall   11/29

旋轉正立方體-1   11/29

旋轉正立方體-2   11/29

旋轉正立方體-3   11/29

旋轉正立方體-4   11/29

Any Two Circles on a Sphere are Perspective   12/06

圓軌跡   12/06

Center of a Circle Under Stereographic Projection   12/06

Stereographic Projection of a Circle   12/06

Construction of a Pentagonal Cupola   12/20

Smallest Cube Containing a Regular Tetrahedron   12/20

Construction of a Triangular Cupola starting with a triangle   12/20

Construction of a Triangular Cupola   12/20

Triangular Gyrobicupola as Convex Hull of Tetrahedra   12/20

Square Gyrobicupola as Convex Hull of Six Squares   11/20

Square Cupola from a Cube   12/20

Truncated Octahedron from a Cube   12/20

Truncated Tetrahedron as Convex Hull    12/20

Construction of a Pentagonal Cupola starting with a Dodecahedron   12/27

Construction of a Pentagonal Cupola   12/27

旋轉多面體-1   12/27

旋轉多面體-2   12/27

馬鞍型及其切線   12/27