Lift (Elevator) Pulleys Model
thingiverse
This is a really fun project to do with kids (or without) to learn about pulley systems and how they work and a fun toy to have at the end of it too! I printed all pieces without supports - you'll need one of each part and 4 of the bobbins plus some straws or something similarly shaped (to use as axles) some string and something sticky - I used blu tack but glue would be fine! If you want a step-by-step of how to put this together I've made an instructable. https://www.instructables.com/Model-of-a-Lift-Elevator/
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