Full Size Non-Electronic Treadmill

I decided to design a fully 3d printable treadmill. Though the pieces that need to be printed are almost the size of the build plate, it uses ball bearings to spin the track when you start running. I wanted to build this treadmill because running is one of the easiest ways to work out your legs. After using the treadmill on a daily basis, your body will adapt to be faster.

To build you will need 3d print filament such as PLA. Colors do not matter. For the track, any bendable strong material will work though I suggest using a flexible PVC paper cut to a maximum of 9 inches in width and cut to fit your preferred height.

To build it, start by arranging the Ball Bearings and Ball Bearing Separators in the pattern: BSBSB. Next, put the Outer Base Right and Outer Base Left together but the notch side facing away. Finally take the 8 Base Pieces in a rectangle with 4 on the left and 4 on the right. Make the notch face out so the track can move under the base. The final should look like this image:

Glue the inner piece of the Ball Bearing to the Connector Rods. Glue the rods to the notches on the left and right outer pieces. Glue the outer piece of the Ball Bearing to the Ball Bearing Separators. Finally, glue the base pieces together. Look at this image to see what to glue:

Wrap the track tight around the treadmill. The 2 ends of the track should be glued together, so it does not cause injury while it is being used. Finaly if you want to have a smoother run, add a layer of wax to the track and to any part of the treadmill that touches the track.