I like this design, but wanted something much bigger, so I scaled it way up to 28x28cm.

I haven't printed it yet, because I need to make sure I have a couple kilos of filament (I'll print 3 of them if I end up printing them).

You'll need a large printer (CR10, for example) to print these. Otherwise, use the original design.

BTW, If you want more things you didn't know you could print, here's a list of 50+ similar items (This item is featured in the video: