Proton Pack Gearbox Crank Knob
thingiverse
UPDATE 3/15/18. This design has been featured in the popular Ghostbusters fan film, Station 6. You can view it on YouTube at https://www.youtube.com/watch?v=dFw2B1hjK7a This project aims to replicate the complex MS91528-3S2G spinner for the iconic Ghostbusters Proton Pack gearbox. My design is a personal interpretation of the available mechanical drawings online, which can be somewhat incomplete or ambiguous. This model offers a more cost-effective option than buying a commercial spinner for around $75. The part I printed was in dark grey PLA and treated with gentle heat. A top and bottom cap were added to complete the design.
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