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I'm working on a replacement for a broken shelf in my fridge door. It's about 37.6 cm (14.8") on the longest axis so I need to print it in two pieces (as shown in the screenshot). Does anyhone have a good idea for a connection between the two that will be sturdy enough? The fridge door will support it from below for about half of its depth, the rest hangs free.
Wall thickness is currently at 3mm but I can increase it a bit if needed.
I would make two horizontal slots along the bottom of the tray, maybe 2-3cm wide and as long as you're able to print on your printer (pro tip: rotate long skinny models 45° to get ~40% extra length by printing corner to corner). Or even better, if you've got some spare sheet metal laying around throw those in the slots.
That's the one I went with. Two at the bottom and two on the inside of the wall
Nice! Looks good.