ZeroTech Dobby Motor Arm replacement

This is a replacement motor arm/pod for the left front or right rear arm of a ZeroTech Dobby.
My Dobby crashed and the motor pod split along the line between the 2 rear screws (see first image). I removed the broken bit from the motor, cut back the arm to where it just begins to flare out and then glued this 3D piece to the arm. The motor wires had become stretched and so I needed to remove the top cover so that I could pull the wires back a bit using a pair of small needle point pliers. I s