FliteTest Sparrow Firewall Motor Mount

This is the motor mount firewall for the FliteTest Sparrow foam board plane. The instructions for the build are to cut this out of Ply so I modeled one for 3D printing. I have added a small cutout for the button to give space for wires, and I have also added a lip to aid alignment within the box, I would advise only to glue the outer face (not the lip) as removal of the firewall can then be done by slicing through the glue, if you glue the lip too then removing the firewall will be tricky shoul