Block and Tackle Pulley for STEM experiments
thingiverse
This is a set of Block and Tackle pulleys that were made for Andromeda One's Virtual Summer STEM Program. The STEM video that goes along with these models will be posted here once it goes public on YouTube. In addition to the 3D printed part you will also need five 14mm M3 screws, 1/8" braided cord, and 2 common plastic soda or water bottles (not large mouth like sports drinks). The screws act as the pulley axles and hold the pulley sides together. Tighten until just snug, then back off 3/4 turn. Pulley wheel should spin freely.
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