Filament Runout Sensor
thingiverse
I purchased a set of microswitches from Aliexpress for use in a filament runout sensor. Unfortunately, I couldn't locate one on Thingiverse that fit my requirements. So I decided to create my own instead. Here's what you'll need: 1 Micro switch with lever arm 1 Piece of PTFE tubing at least 4cm long 2 M2 or M2.5 bolts measuring 10mm in length or longer, whichever fits your microswitch best (the switches linked earlier work better with M2.5) 2 Nuts that match the bolt diameter Optional: 2 washers matching the bolt diameter
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