Tinkercad Treadmill
Today you will learn how to make a treadmill in Tinkercad
Make a flat rectangular plat form with a height of 1
Make two identical thin rectangles with the same length of the platform
Place them on the edges of the platform
Make two identical thin poles with cylinders
Place them on the corners of the platform as shown
Make two duplicate semicircles at a small size
Cut off about 1/3 of the semicircles
Turn them upside down
Place them on the top of the poles
Make a bigger flat semicircle
Put it on top of the poles
Place a flat square on the big semicircle
Finally, group all. Now you have a Tinkercad treadmill!