You need following material: 16 screws M5 16 nuts M5 8 3d printed corners 5 pieces acrylic sheet 4 mm, measurement see pictures on annex or print the corners and measure yourselve If you use my front door holder for your 3d printer (https://www.youmagine.com/designs/holder-for-ultimaker-2-front-window), you need another holder on the top. Therefore print my new front door holder twice.