Catalan Wireframe Polyhedra

2017-02-09 admin 0

Author: mathgrrl – These stylized wireframe models of the thirteen Catlan solids were made using Mathematica, MeshLab, and TopMod. Print them for mathematical bling or to show off what your printer ca…

Pythagorean Theorem

2017-02-09 admin 0

Author: mshscott – I was inspired to create this model for my grade 8 math class, and is a remix of the design by Isos, the chain for the smaller square prints assembled and will ensure that no pieces…

Poly-Snaps: Tiles for Building Polyhedra

2017-02-09 admin 0

Author: mathgrrl – These tiles snap together to make polyhedra of any type you wish! Regular, semi-regular, truncated, stellated, or freaky; you decide.
Customize your own with the “Open in Customizer…

Five screw-puzzles by George Hart

2016-04-28 admin 0

Author: GeorgeHart – These five puzzles challenge anyone who plays with them to think about combining the geometric transformations of translation and rotation in new ways. In a math class, they also …

Math Gear(s)

2016-04-28 admin 0

Author: SSW – NEW VERSION!!! POSTED 12-29-13 At first glance the updates are barely noticeable, but every piece has been revised. The changes make assembly easier with better fit and smoother operatio…

3-Dimensional Fraction Blocks

2016-04-28 admin 0

Author: jrsnyder – Do not underestimate the many effective uses for this manipulative!! These Fraction Blocks have applications from early grades and introductory fraction concepts through Algebra 2 a…

Self-Assembling Dodecahedron

2016-04-27 admin 0

Author: asteed – 12 copies of this shape form a sphere based on the structure of a dodecahedron. The addition of magnets on the sides means that you can assemble this object very quickly and have a ni…