Gearbox frame mod for The Differential Gear Of The RC Car "Carduino V2"

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After the gearbox welded itself to the frame twice I just modified the parts in Tinkercad, no problems since. I also suggest to replace the eight screws coming from top and bottom around to gearbox with four M3x30mm screws and using washers on the bottom cover (see image of my differential Make), this reduced the vibrations big time.Thought I'd post this 'cause of the comment talking about tolerances, maybe this is useful to someone.