lego technic parts, very basic, can make a gearbox out of the parts. 2 files, one has more blocks and gears. parts: -1 8 tooth gear -1 16 tooth gear -1 24 tooth gear -1 40 tooth gear -1 2 stud tech block -1 4 stud tech block -1 6 stud tech block -1 12 stud tech block -1 2 stud tech axle -1 4 stud tech axle -1 6 stud tech axle -1 12 stud tech axle

i have not got to print it, I will soon.