Catalogue of Convex Polydrafters

Introduction

A polydrafter is a polyform made by joining equal drafters, 30°-60°-90° right triangles, at their short legs, long legs, hypotenuses, or half hypotenuses. Polydrafters whose cells belong to a common polyiamond (triangle) grid are sometimes called proper polydrafters. Polydrafters whose cells depart from the grid are called extended polydrafters. For more information see Wikipedia.

Below I show all convex proper polydrafters with from 1 to 6 cells. The decompositions of the polydrafters into drafter cells are not necessarily unique. The counts and drawings do not include extended polydrafters. If you find an error or omission, please write.

Enumeration

In this enumeration, mirror images are treated as the same polydrafter.

CellsNumber
11
24
33
47
57
613
79
815
99
1014
1112
1227
1319
1429
1526
1629
1720
1836
1926
2048

Monodrafter

Didrafters

Puzzle: arrange the four convex proper didrafters to make a convex shape.

Tridrafters

Tetradrafters

Puzzle: arrange the seven convex proper tetradrafters to make a convex shape.

Pentadrafters

Hexadrafters

Last revised 2022-05-19.


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Col. George Sicherman [ HOME | MAIL ]