Buy The Frame Here: https://store.bicks.us/home/27-waflcopter-race.html
Make sure to print out of TPU, and with the flat part of mount flush against the bed. No support needed. I'd recommend 2-4 walls, and infill is best at 10% or higher on a 0.4mm nozzle with 0.2mm layer height.
Currently, the design is based around a TBS Antenna Pigtail.