SummaryThe Q3D 220 is an FPV Racing frame designed for the 5" prop class with 3D printing in mind. Features include: X arm design with top mounting lipo capability provides excellent center of gravity. SMA and battery lead mounting holes. Access to vtx for easy swapping of channels. Zip-tie holes for easy mounting of esc's. It can be built in a couple different configurations with a 22mm internal cavity or a 30mm internal cavity. Hardware required to complete frame 22mm version: 16 x M3 x 30mm bolts 16 x M3 Lock Nuts Hardware required to complete frame 30mm version: 16 x M3 x 40mm bolts 16 x M3 Lock Nuts It can be printed with almost any material but ABS is highly recommend. 4 shells and a minimum of 33% infill recommended for all parts. Flight video of first prototype and maiden flight: https://youtu.be/qmMbncKQCTI Share pictures of your build on social media with the hashtag #Q3D220 I am releasing these files specifically for people interested in this hobby who want to build their first FPV racing drone. I know carbon fiber is a far superior material for racing but this is a fun build that can be put together very cheaply and will fly just as well. #GrowTheHobby