Optical Filament Runout Sensor V2
thingiverse
The spring I utilized does not possess a substantial amount of tension, merely sufficient to propel the Optical Interrupter upwards when the filament is removed. Consequently, there should be no issues with the filament binding. Spring Dimensions: Width - 4.30mm x Length - 15.00 mm Print the Optical Interrupter in black at 100% infill density. The remaining portions can be printed at a minimum of 25% infill density or more.
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