The Dactyl keyboard consists of two distinctly curved keyboard segments, it sounds a bit weird and is a bit weird but Dactyl Keyboards are future. Verify and Be sure that the text layer is chosen. Go to the bottom suitable side with the monitor to find the layers palette. TL;DR: http://3dprintedkeyboardcase49382.worldblogged.com/8491037/rumored-buzz-on-3d-printed-keyboard-case