# Signum 3.0  An ergonomic 40% PCB. Keyboard Maintainer: [Troy Fletcher](http://troyfletcher.net/) Hardware available here: [Troy Fletcher](http://troyfletcher.net/keyboard_sales.html) Make example for this keyboard (after setting up your build environment): make signum/3_0/elitec:default make signum/3_0/teensy:default See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).