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/lockboxt...

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

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

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