Giant Lego 9390 3x Scale

I've modeled all the parts and printed them in 3x scale. Then built the set with those parts, while my son is building it in real Lego (but with different colors).

My Lego collections:
Axle & Connectors - https://www.thingiverse.com/thing:2699484, https://www.thingiverse.com/thing:3367534
Beams - https://www.thingiverse.com/thing:2699524
Gears - https://www.thingiverse.com/thing:2700126
Tyres - https://www.thingiverse.com/thing:3382914
Other Parts - https://www.thingiverse.com/thing:2699