![Filament Runout Alarm](https://cdn.thingiverse.com/renders/bc/fd/d7/a4/e3/17e24fd28f684adb9105933609d33fe9_preview_featured.jpg)
Filament Runout Alarm
thingiverse
I took an old personal alarm and rewired it to sound off when the filament runs out, adding a micro switch between the battery and the circuit board. Printing Details Printer Brand: Wanhao Printer Model: Wanhao Duplicator i3 V2 Rafting: No rafts were used. Supports: No supports were needed. Resolution: 0.2 millimeters.
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