For the Acrylic Sheet a single 1200mm x 600mm (4ft x 2ft) 2mm sheet was used. Sheet parts are:- Sizes are approximate to +- 1mm depending on your accuracy may need trimming with a file Back Sheet - 220mm x 313mm Top Sheet 1 - 218mm x 312mm (Top Horizontal) Top Sheet 2 - 200mm x 312mm (Top Angled) Top Sheet 3 - 40mm x 312mm (Top Front) Front Sheet - 39mm x 313mm Side -222mm x 364mm (Corner Removed after trial assembly) Printed Parts from PLA or ABS, printed at 0.1mm (100um) step height UM2 Cover FICorner + Mirrored part UM2 Cover FOCorner + Mirrored Part UM2 Cover RBCorner + Mirrored Part UM2 Cover RTCorner + Mirrored Part UM2 Cover ACorner x 4 UM2 Cover VBack x 2 UM2 Cover UStraight x 4 UM2 Cover Hinge Top x 2 UM2 Cover Hinge Plate x 2 Fasteners:- M3 x 5 Flanged Button Head Socket Screws x 38 off M3 x 10 Flanged Button Head Socket Screws x 22 off M3 x 30 Flanged Button Head Socket Screws x 2 off M3 Nuts x 6 off M6 washer x 2 off, double sided tape to stick to top of UM2 as magnet mount Diameter 10mm x 3mm with 3mm mounting hole. x 2 off (eBay) Once all the parts have been printed and all holes tapped M3, start at the front bottom corner of the side and begin to trial fit, marking and then drilling the clearance holes in the acrylic sheet for the mounting screws, once the side pieces have been fully trial fitted the front top corner to be removed can be marked and then cut and removed. Fully assemble all the sides and back, using the screws to retain them. assembly the Hinge top into the top corner with the long screw and nut to retain. Use tape on the inside face of the top to join the 3 sections together, position and mark through the hinge screw holes, then remove and drill, reassemble using screws and the hinge plate with nuts. M3 Tapping Drill = 2.5mm M3 Clearance Hole = 3.3mm I have stuck on some large penny washers to use for a small magnetic white board to write current print info on which can be seen in some of the pictures.