Apex 3 is a small frame for building a 3" freestyle drone. The frame utilizes arms made of 4mm thick carbon, making it very durable. The frame is designed for Micro (19mm) cameras. In the center, there is a spot for a stack with 20x20mm M2 holes. In the rear part of the frame, there are additional mounting holes with a pitch of 20x20mm M2 suitable for placing a video transmitter. The frame accommodates motors with mounting holes of 9 and 12mm M2.