Designed off our card boxes, these are a perfect match to display your most prized cards (Top Loader only) Really easy to print, best to have a PEI textured surface with glue. Suggested Filament: PLA+ (DO NOT USE SILK) Layer Height: 0.1mm (0.2mm works but not best for small details) Nozzle: 0.4mm Infill: However you please but I use 25% progressive halved every 10mm (max 5 times) Shell: 3 layers on wall, 4 on top and bottom with one wall for roofing Speed: 150mm, 50% on bottom and top layers Cooling: yes Supports: Not required Max angles: 45 Degrees Not for commercial use and only personal printing. Follow for future updates and new designs.