All 108 heptominoes in circle
Heptamino solution by Edo Timmermans (2005)
IQ Block (12757 solutions)
all 66 octiamonds in circle, 6 colors transparent acrylate, design by me.
heptiamonds in circle. There are 55 solutions to this 126/42 solution (First found by P. Torbjin, full analysis by mein 1991)
Heptominoes in circle, shape by me (1987). This solution by Edo Timmermans (2005), it genarates 389,639,433,093,120 solutions by manipulating symmetric subgroups.
Hexiamonds, This irregular frame has 12402 solutions
All 369 octaminoes, three times 29x34.
all 22 Pentahexes
all 82 Hexahexes
All n-iamonds of order 1, 2, 3, 4, 5
All 66 octiamonds, same colors do not touch on edges.