what size are the front lips? looks like only the 45° has a thin one...
how are the back heights compared to the modulex bricks?
can they be stacked/aligned? (like in the LDPE pic)
two identical antiparallel to a block results in what height?
how are the back heights compared to the modulex bricks?
can they be stacked/aligned? (like in the LDPE pic)
two identical antiparallel to a block results in what height?