In this video we'll investigate a fascinating expanding pulley mechanism and reverse engineer it for use in a fully 3D Printed Lock Box. I had an absolute blast exploring the possibilities of this mechanical movement and hope it inspires you to try designing some crazy mechanical projects!

3D Printing Files - https://www.makersmuse.com/expanding-...

Test files for checking clearance - https://www.makersmuse.com/lock-box-t...

.step and .f3d source files - https://www.makersmuse.com/expanding-...

3D Printing and Assembly Video -    • Maker's Muse Expanding Lock Box Instr...  

Get Five Hundred and Seven Mechanical Movements for FREE here - https://www.google.com.au/books/editi...

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