I'm teaching myself Fusion 360, so I try to recreate things I have IRL. I cut out the center to save print time and filaments, and it'll work just fine with low infill. Printed mine at 5% infill, and 2 shells.
The IKEA BERGENES style need build plate only support unless your overhang game is on-point. I'd rather print a bit of support and use highest possible layer height for your nozzle to speed up the print time. About 40min each at 0.4mm layer height, and 5% infill.