Tribrex Oddities

A tribrex is a plane figure formed by 3 cells in the hex grid, adjacent or separated by the length of one edge.

A polyform oddity is a figure with binary symmetry formed by an odd number of copies of a polyform. Below are the minimal known oddities for the 8 tribrexes.

See also Tetrabrex Oddities.

  Rowwise
Mirror
Columnwise
Mirror
2-Rotary Double
Mirror
Rowwise
and Ternary
on Vertex
Rowwise
and Ternary
on Cell
Columnwise
and Ternary
1
1
1
1
1
3
3
3
1
5
5
3
9
3
3
3
3
3
3
9
3
1
9
11
11
1
3
9
3
3
3
3
3
5
3
1
3
5
5
3
3
3
1
1
1
1
3
9
3
9
1
11
11
27
9
1

Connected Variants

Rowwise Mirror

Columnwise Mirror

2-Rotary

Double Mirror

Rowwise Mirror and Ternary on Vertex

Rowwise Mirror and Ternary on Cell

Columnwise Mirror and Ternary

Last revised 2024-09-28.


Back to Polyform Oddities < Polyform Curiosities
Col. George Sicherman [ HOME | MAIL ]