Kleines Rhombenikosidodekaeder https://www.mathematische-basteleien.de/rhombenikosidodekaeder.htm
Meine Sicht des kleinen Rhombenikosidodekaeders
Korthals Altes Paper Model Rhombicosidodecahedron Poly A program for downloading
Meine Sicht des kleinen Rhombenikosidodekaeders
Korthals Altes Paper Model Rhombicosidodecahedron Poly A program for downloading
My contribution to stars
The star of the German magazine „Stern“ was a model of this star. ..HMATISSE Making
Meine Sicht des Parallelepipeds
Korthals Altes Paper Model of an Oblique Rhombic Prism Parallelepiped, oblique
How to solve the 15puzzle
To get to know the puzzle and to practice, it is best to build a model.
Wörter der Schulmathematik – Deutsch/Englisch
discontinuous Unterschied – difference Untersumme – lower sum Urnenmodell – urn model
Meine Sicht des Ikosaeders
Stellations, Octahedron5-Compound, Rhombic Icosahedron Gijs Korthals Altes Paper Model
Descriptions of some rings of pyramids and how to make them
In the drawing on the right you see a cross-section of this model. a is the edge
Annäherungen an die Sternkörper von Kepler / Poinsot
Icosahedron Robert Webb Small Stella, Kepler-Poinsot Solids, Stella Users‘ Polyhedron Models
Meine Sicht des abgestumpften Oktaeders
Korthals Altes Paper Models of Truncated Octahedron H.B.Meyer Truncated Octahedron
Meine Sicht des abgeschrägten Dodekaeders
Solid, Snub Dodecahedron, Pentagonal hexecontahedron Gijs Korthals Altes (Paper Models