rectangle of Bracket 80x48x48 mm thick 8mm v2

You just need to print two files 12x Bracket and 8x Corner Bracket (58x58x58 mm) both 8mm thick
if you want to make big box frame print more brackets (Red Color 80x48x48mm) as per requirements
there is no end you can make as big as you want use your imaginations it can be use in several applications it can use as table a glass put on top make it any size display use 4 mm clear acrylic sheets or just a box. so on.
tell me if you want any amendments
if you print and make out of this anythi