quadcopter hexacopter racer arm for zmr or custom frame plate

Quadcopter hexacopter racer size arm
Can be used on zmr or custom frame plates adjustabe arm size based on which hole to use for the mount.
It has mounts for cheap pvc tube landing gear below motors.
(I am using inside-wall rigid electric cable isolation PVC pipe bought at OBI, which is here about 1 dollar for 2meters.)