Non-tilers
6 shapes.
| id | name | verdict | how | chiral |
|---|---|---|---|---|
| 8/1309 | the square ring | NON-TILER | Heesch 1 | |
| 9/8219 | NON-TILER | Heesch 1 | yes | |
| 9/8220 | NON-TILER | Heesch 1 | yes | |
| 9/42947 | the triskelion | NON-TILER | Heesch 1 | yes |
| 9/42969 | the triskelion, mirrored | NON-TILER | Heesch 1 | yes |
| 9/48258 | the Greek cross | NON-TILER | Heesch 1 |