Hello, I rebuilt toy Bruder BOB CAT to RC model and here you can find used printed parts.
1) Wheel servo adapter is designed for servo GS9025MG
2) Arm servo holder is designed for servo Hitec HS-225MG
3) Shovel servo holder is designed for servo GS9025MG
4) Front lights holder is for LEDs with diameter 4,8mm.
UPDATE 1 (06.01.2017):
Added new version of shovel servo holder "Shovel_servo_holder_V2.stl". This version allow lock the shovel to the base.