I saw a card sorting tray at my LGS and thought “That looks so much better than sorting into piles of cards that constantly get knocked over.”

And then I thought “I bet I could make one of one out of Lego” … so I did.

Colors just reflect lack of having enough slopes of the same color in our collection.

The base is a standard 48x48 stud baseplate. Learn from my mistake and instead of running 1x bricks around the outside edge, run 2x bricks around the outside instead, and it’ll fit perfectly on the baseplate.

The slots are 8 studs wide, which works perfectly with 8 4x3 33º slope bricks per slot. There’s 25 slots, so that’s 200 4x3s or equivalent narrower slopes, obviously.

Cards fit perfectly when unsleeved. Sleeved cards don’t fit. If you want to be able to sort sleeved cards, you’ll need to make the slots 9 studs wide, which will throw off the width, and it would be 3 studs too wide for the baseplate… which is probably workable if you design the sides correctly.

The whole thing is 4 bricks high. The cards stick out a bit above the slots, which I think looks nice and makes them easy to grab.

I alphabetize my cards, so ideally I’d have 26 slots, so I’ll probably build an outrigger slot for those times when I need absolutely every letter.

I’ll probably throw some tiles on top at some point, but this serves the purpose for now.