940238李映蒂

1.Homological Triangles

2.Five Tetrahedra in a Dodecahedron

3.Five Cubes in a Dodecahedron

4.Dodecahedron plus Icosahedron

5.Five Octahedra in an Icosidodecahedron

6.Octagonal post(正八面柱)

7.Metabidiminished Icosahedron

8.Square Gyrobicupola as Convex Hull of Six Squares

9.Icosidodecahedron

10.Triangular Gyrobicupola as Convex Hull of Tetrahedra

11.Truncated Octahedron from a Cube

12.Square Cupola from a Cube-1

13.Square Cupola from a Cube-2

14.Square Cupola from a Cube-3

15.Construction of a Pentagonal Cupola starting with a Dodecahedron-1

16.Construction of a Pentagonal Cupola starting with a Dodecahedron-2

17.Construction of a Pentagonal Cupola starting with a Dodecahedron-3

18.Construction of a Pentagonal Cupola starting with a Dodecahedron-4

19.Construction of a Triangular Cupola starting with a triangle-1

20.Construction of a Triangular Cupola starting with a triangle-2

21.Construction of a Triangular Cupola starting with a triangle-3

22.Triangular Gyrobicupola as Convex Hull of Tetrahedra

23.Truncated Octahedron from a Cube

24.Cube 2-Compound

25.Cube 3-Compound

26.Cube 4-Compound

27.Cube 5-Compound Five Cubes in Dodecahedron

28.Cube and Octahedron

29.Octahedra3-compound

30.Octahedra4-compound

31.Five Octahedra in an Icosidodecahedron

32.Pentagrammic Antiprism

33.Tetrahedron 5-Compound

34.Villarceaux Circle

35.Any Two Circles on a Sphere are Perspective

36.Center of a Circle Under Stereographic Projection-1

37.Center of a Circle Under Stereographic Projection-2

38.Hyperbolic Paraboloid

39.the tangent line along the trace

40.cube6-compound

41.trace with triangle

42.circle on sphere