Tetriamond-Heptiamond Compatibility
Two or more polyiamonds are compatible
if there is a polyiamond that each of them can tile.
Here I show some compatibilities for tetriamond-heptiamond pairs.
If you find a smaller solution or solve an unsolved case,
please write.
See also Hexiamond Compatibility
and Heptiamond Compatibility.
| |  |  |  |  |  |  |  |  |  |  |  |  |
|---|
| 72:126 | ? | 8:14 | 4:7 | 36:63 | 24:42 | 8:14 | 24:42
| 8:14 | — | — | 8:14 |
|---|
| 4:7 | 4:7 | 4:7 | 4:7 | 4:7 | 4:7 | 4:7 | 4:7
| 4:7 | 4:7 | 4:7 | 4:7 |
|---|
| 4:7 | 4:7 | 4:7 | 4:7 | 4:7 | 4:7 | 4:7 | 4:7
| 4:7 | 4:7 | 4:7 | 4:7 |
|---|
| |  |  |  |  |  |  |  |  |  |  |  |  |
|---|
|
| ? | 8:14 | — | 4:7
| 16:28 | 12:21 | 12:21 | — | — | — | 24:42 | 24:42 |
|---|
|
| 4:7 | 4:7 | 4:7 | 8:14
| 4:7 | 4:7 | 4:7 | 4:7 | 4:7 | 4:7 | 4:7 | 4:7 |
|---|
|
| 12:21 | 8:14 | 4:7 | 4:7
| 4:7 | 4:7 | 4:7 | 4:7 | 4:7 | 4:7 | 4:7 | 4:7 |
|---|
Holeless Variants
Horizontal Mirror Variants
Holeless Horizontal Mirror Variants
Last revised 2024-09-10.
Back to Mixed Polyiamond Compatibility
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Pairwise Compatibility
<
Polyform Compatibility
<
Polyform Curiosities
Col. George Sicherman
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