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Controlled cooling for consistent filament
Cooling capacity is the hidden limit in most filament-making setups. The Airpath gives the strand a repeatable, controlled cooling path so it reaches the ideal temperature before it hits the Spooler, delivering clean, consistent winding and stable diameter. A front-panel speed control with a built-in readout lets you record and repeat the airflow that works for each material. Engineered for labs and production benches alike, it runs quietly (about 50 dB at max) and packs a bench-friendly footprint.
Key features
- Forced-convection cooling — six high-velocity fans rapidly pull heat from freshly extruded filament for stable diameter and higher line speeds.
- Variable fan-speed control — front-panel knob with digital power/speed readout for repeatable setups.
- Magnetic filament guides — top-mounted guide magnets keep filament centered as it traverses the cooling path.
- Quiet, lab-friendly operation — approximately 50 dB at max speed.
- Universal power input — 110/220 VAC, 50/60 Hz.
- Compact footprint — 24 × 7.25 × 3.5 in and about 9 lb; fits neatly between your extruder and spooler.
Part of the Filabot Modular Ecosystem
Every Filabot machine is a building block. The equipment is modular, so you can start with the workflow you need today and expand later—adding cooling, measurement, spooling, pelletizing or shredding—without replacing what you already own. All units are bench-top sized and run on standard 110 V single-phase power (no 3-phase required), so a complete line fits comfortably next to your 3D printers.
The Airpath covers the Cool stage and is part of every Filabot bundle. How it combines with the rest of the line:
- Place it directly after the EX3 Filament Extruder, EX6 Standard Filament Extruder or EX6 Industrial Filament Extruder nozzle.
- Feed the cooled strand into the Spooler, which pulls the filament through the Airpath at a controlled speed and winds it onto the spool.
- Mount the Filameasure on the Spooler to verify that the cooled filament is holding diameter.
- Running PEEK, ULTEM, nylon or other high-temperature polymers, or pushing the EX6 to full output? Add a second Airpath in series for extra cooling length.
- For the highest production rates, Filabot also offers a Waterbath cooling system—contact us for a quote.
| Product | Stage | Role in the line |
|---|---|---|
| Reclaimer | Reclaim | Two-stage shredder + granulator turns failed prints and scrap into extrudable granulate. |
| EX3 Filament Extruder | Extrude | Accessible, compact extruder for education, makerspaces, recycling and early-stage material development. |
| EX6 Standard Filament Extruder | Extrude | Professional 24:1 extruder with four PID heat zones and 4+ kg/hr output for R&D and production. |
| EX6 Industrial Filament Extruder | Extrude | EX6 with nitrided barrel and screw for abrasive, filled and reinforced compounds. |
| Airpath Filament Cooler (this product) | Cool | Forced-convection cooling that stabilizes filament diameter before it reaches the Spooler. |
| Filameasure | Measure | Inline diameter gauge with Filalogger data logging; mounts to the Spooler. |
| Spooler | Spool | Pulls, traverses and winds finished filament onto 0.5 kg / 1 kg spools. |
| Pelletizer | Pelletize | Chops filament into uniform pellets for re-extrusion, compounding or injection molding. |
Prefer a complete, pre-configured system?
Filabot bundles are priced below the sum of their parts:
- EX3 Filament Maker Bundle — EX3 + Airpath + Spooler + Filameasure (with Filalogger)
- EX6 Filament Maker Bundle — EX6 Standard + Airpath + Spooler + Filameasure (with Filalogger)
- EX6 Industrial Filament Maker Bundle — EX6 Industrial + Airpath + Spooler + Filameasure (with Filalogger)
- EX3 Full Recycling Bundle — Reclaimer + EX3 + Airpath + Spooler + Pelletizer
- EX6 Standard Full Recycling Bundle — Reclaimer + EX6 Standard + Airpath + Spooler + Pelletizer
- EX6 Industrial Full Recycling Bundle — Reclaimer + EX6 Industrial + Airpath + Spooler + Pelletizer
What's included
- Airpath filament cooler
- Magnetic filament guides
- Power cord & supply
- User manual
Specifications
| Power input | 100–240 VAC, 50/60 Hz, 1.0–0.5 A (about 120 W max) |
| Cooling | Six high-velocity fans, forced convection, variable speed with digital readout |
| Noise level | ≈50 dB at max speed |
| Dimensions | 24 in L × 7.25 in W × 3.5 in H (60.96 × 18.42 × 8.89 cm) |
| Weight | 9 lb (4.08 kg) |
| Warranty | 3-year warranty |
| Country of origin | USA (Barre, Vermont) |
Resources
- Filabot Airpath Datasheet (PDF)
- Filabot Selection Guide 2026 (PDF) — choosing between the EX3, EX6 Standard and EX6 Industrial
About Filabot
Filabot is a Vermont-based engineering and R&D company that has built filament-making and small-scale polymer-processing systems since 2011. Thousands of systems are in use worldwide, and Filabot equipment has been referenced in more than 1,300 published research articles. Filabot provides direct technical support, installation and material-processing guidance, a processing-settings database, and curriculum resources for educators.
NOTE: 3D Universe is authorized to sell this product in the USA only. Filabot equipment ships from the manufacturer; the Reclaimer and Full Recycling Bundles ship via freight.
