For my Lego project, printing a set with 3X scale.
My Lego collections:
Axle & Connectors - https://www.thingiverse.com/thing:2699484
Beams -
...さらに表示 https://www.thingiverse.com/thing:2699524
Gears - https://www.thingiverse.com/thing:2700126
Other Parts - https://www.thingiverse.com/thing:2699603
If you like it put a bitcoin on it:
16K4dNS1mXzxaiAucr3mHVJDjBZLy27P6