If you are a skilled 3D printing person with a knack for printing challenging things, it is recommended that you check out Matt Adereth's funky looking ergonomic dactyl keyboard. A dactyl keyboard is split to accommodate both of your hands, with this design featuring such qualities as "parameterized, split-hand, concave, columnar" -- according to Keychatter.com. 3D printable, ergonomic, and a challenging build at that? What's not to love about Matthew Adereth's colorful dactyl keyboard? Read more at 3DPrint.com: http://3dprint.com/120299/3d-printed-dactyl-keyboard/