This is It is a amiya Plastic Beams 2mm Square 10 pcs Whitestyrene resin rod that is easy to cut, fold, and even make curves by hand or heat processing. It can be glued with a plastic model adhesive, and painting is also OK for plastic models. It is also resistant to water. It can be used for various crafts together with plastic vans.
The cross section is a square with a side of 2 mm.
Tamiya Plastic Beams 2mm Square (10 pcs)