0.3MM Layer, 15% Infill (Or Higher) - No Support/Brim Required.
Design based on IKEA KALLAX cabinet - https://www.ikea.com/de/de/cat/kallax-serie-27534/
Commercial Parts :
QTY-4, 10MM Diameter X 3MM Thick Magnets - https://amzn.to/3Rptd79
QTY-4, 30MM Diameter X 2MM Thick Magnets - https://amzn.eu/d/6f6hK4o
QTY-2, Wood Rods, OD 18MM, L 330MM (Printable Rods Option Included)