A plane figure or solid compound consisting of multiple connected copies of a given base shape. For example, affixing 
equal squares gives an 
-polyomino, while affixing 
equal isosceles triangles gives a polyiamond. The following table summarized common named
polyforms together with their base shape.
| polyform | base shape |
| polyabolo | isosceles right triangle |
| polyare | joined half-squares |
| polybe | joined half-cubes |
| polycairo | Cairo pentagon |
| polycube | cube |
| polydrafter | 30-60-90 triangle |
| polydude | 30-60-90 triangle |
| polystick | lines from a square grid |
| polyhe | joined half-hexagons |
| polyhex | regular hexagon |
| polyiamond | equilateral triangle |
| polykite | 60-90-90-120 kite |
| polyomino | square |
| polyplet | square (connected at edges or corners) |
| polypon | 30-30-120 triangle |
| polyrect | rectangle |
| polyrhomb | rhombus |
