The Awesomer is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn more.
Mojoptix’s nifty 3D-printed object works like a traditional sundial, casting a shadow as the sun moves overhead, but it displays the time using dot-matrix digits, thanks to some very clever engineering. You can buy a pre-printed version from 3D Expressions on Etsy, or download the STL files on Thingiverse if you’ve got a 3D printer.