Fysetc Mechanical Filament Cutter — Tangle & Runout Protection

Never Lose a Print to a Tangle AgainThe Fysetc Mechanical Filament Cutter is a passive, no-power tangle protection device that automatically cuts your filament path when a tangle or runout is detected — stopping your printer before a failed print can ruin hours of work. No electronics, no firmware changes, no fuss. How It WorksThe cutter sits inline on your filament path. When tension spikes from a tangle or the spool runs out, the mechanical trigger activates and severs the filament, signaling your printer to pause or stop. Simple, reliable, and always on. Key Benefits Prevents print failures caused by filament tangles mid-print Acts as a mechanical runout sensor backup Fully passive — no wiring or firmware required Compatible with most FDM 3D printers using 1.75mm filament Compact and easy to mount inline on your filament path Key Details Vendor: Fysetc SKU: OT-67003-10 Filament diameter: 1.75mm Passive mechanical operation — no power needed Lightweight and low-profile design A small investment that protects big prints. Add the Fysetc Filament Cutter to your setup and print with confidence.