Below are Brendan's constructions with the chequered pentominoes.
There are many multiple rectangles which can be formed with the chequered pentominoes. When there is an even number of rectangles we have the choice as to whether the chequer is the same for all or different for half of the rectangles. Examples are shown below.
The 36 one-sided pieces can for sextuplications of each of the pentominoes.
A number of similar hole constructions is also possible.
Multiple replications are alo possible.