The Kopis mini is an FPV frame from 3 ″ Very versatile, capable of carrying analog FPV equipment. The frame itself is made of high quality carbon fiber from 3 mm, ensuring that this frame can withstand even the strongest stresses. The H frame design gives you plenty of space to mount your gear with stack mounting holes 30 × 30/20 × 20 in the front and a second stack assembly 20 × 20 in the back.