String Potentiometer fixed dimensions
thingiverse
I corrected the dimensions of the STL files provided by andymark for a 3D printed string potentiometer. Its in mm now. The original STL files came from here:http://www.andymark.com/product-p/am-2618.htm I used a different 10-turn potentiometer, a AMM20B5A1CLASL380 that is contactless hall-effect sensor with rotation life 50 million shaft revolutions.https://www.digikey.com/product-detail/en/bourns-inc/AMM20B5A1CLASL380/AMM20B5A1CLASL380-ND/3868206 But you can always use simple wirewound potentiometer like this one here:https://www.digikey.com/product-detail/en/bourns-inc/3590S-2-103L/3590S-2-103L-ND/1088586 For the spring I used one from cheap ID badge holders like this one:http://www.ebay.com/itm/10-x-ID-Card-Holder-Reel-Retractable-Badge-with-Belt-Clip-Ring-Pull-/371255688124 See a video of it in action:https://youtu.be/3MMJfBPJwKc A new video with better print and some tips here: https://youtu.be/NsgG6o2HFr4 Thanks Thanos Print Settings Printer: Wanhao i3 v2.2 Rafts: No Supports: Yes Resolution: 0.2 Infill: 30% Notes: Printed on Carbon PLA
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