Please check the excel file tutorial and video for wheel system
My print is 60% of the original size , not the best for quality if you make under this size
for this explanation on video i use pla because my print is 60% of the original size , so you can use the rivet ( n°14 ) if you print original size :
https://www.youtube.com/watch?v=W-3cXmYANsk
Upgrade list :
n°1 : 10-02-2018 ---> Add smoke STL for rear wheel :D