This is an Out of Filament detector for the Makerbot Replicator 2 with an filament cleaner/ oilier. You must have Sailfish firmware installed, this device uses the p-stop option that is only available when using sailfish firmware.
-Provides for better filament alignment from the spool
-Has an approximate 1 x 1.5 inch well to place either a particle catcher - such as a sponge, or an oil-dampened sponge.
-Simple non-evasion attachment to printer via double-side tape or super-grip velcro.
-Switch used is a simple OMRON ball-roller micro switch. When the filament runs out, the switch lever opens.
Please read the following links before attempting:
Use of the P-stop function: