30.5 to 20 stack esc flight controller adapter

This is a drone 30.5 to 20 mm adapter. It can be used to stack a "20mm" pcb on top of a "30.5mm" pcb. The "20mm" holder holes are made for M3 crews (2.5mm inner diameter)


Best suited for metal printing in aluminum. Die needs to be cut. Curvature is G2. Metal weight is 3.11g. ABS weight is 1.22g

If you need custom adapters let me know.