Polystyrene H-Profile, 1,60 mm x 1,60 mm, 0,5 mm thick, length 250 mm, from Plastuct
Polystyrene Profiles are easy to cut, glue and are thermopastic.
The profiles can be ordered separately. The price for the individual profile may be a bit higher, but you are able to combine individually and therefore save money in the long run.
