About this 3D model

This Set contains square Bases in 9 different Sizes: 20mm, 25mm, 25x50mm, 40mm, 50mm, 50x75mm, 50x100mm, 100x150mm, 150x200mm Also included are Corners, Straights and Plates to build custom Size Regiment Trays. Shown on the last Picture is a Sample Tray with a 2mm Cardboard Plate.