Instructions on how to make a board using this method:
https://nothinglabs.com/no-etch-circuit-boards-on-your-laser-printer/
Layout of NRF52 board:
https://upverter.com/eda/#tool=schematic,designId=42500b9086df5ef7
TI Application Note for Antenna:
http://www.ti.com/lit/an/swra117d/swra117d.pdf… (read more)