The Roma F4 is a smaller 4" freestyle drone. The main features of the frame are a durable 7075 aluminum alloy camera cage, a 4mm thick bottom plate, a plastic stack cover and a 3D printed battery connector holder. The frame accommodates motors with both 12x12mm M2 and 16x16mm M3 mounting hole spacing. , which is used by larger and more powerful motors. The Roma F4 can thus be built as a very fast and agile drone. The frame has stack holes with a spacing of 30.5x30.5mm M3 and 20x20mm M2/M3. The height of the frame can accommodate a stack of 25mm. An analog or digital video transmitter can then be placed in the back of the frame.