POM Settings for Anycubic Kobra 3 Combo
Recommended slicer settings for printing POM on the Anycubic Kobra 3 Combo (250 x 250 x 260 mm build volume, 600 mm/s max speed, direct drive extruder).
Slicer Configuration
Copy these values into your slicer (Cura, OrcaSlicer, PrusaSlicer, Bambu Studio)| Setting | Value | Range |
|---|---|---|
| Nozzle Temperature | 210°C | 200-220°C |
| Bed Temperature | 110°C | 100-130°C |
| First Layer Nozzle | 215°C | +5°C above normal |
| First Layer Bed | 110°C | At printer max |
| Print Speed | 30 mm/s | 20-40 mm/s |
| First Layer Speed | 15 mm/s | 25-50% of normal |
| Wall Speed | 23 mm/s | 70-80% of normal |
| Travel Speed | 60 mm/s | 120-150% of print speed |
| Layer Height | 0.2mm | 0.12-0.28mm |
| Infill | 15-20% | 10-30% |
| Wall Count | 2-3 | Perimeters/shells |
| Top/Bottom Layers | 3-4 | Solid layers |
| Cooling Fan | 100% | From layer 2+ |
| Retraction Distance | 0.8-1.2 mm | Direct drive |
| Retraction Speed | 40 mm/s | Direct drive |
Before You Print
Print Quality Profiles
Three presets for common use cases with POM on the Anycubic Kobra 3 Combo.
| Profile | Layer Height | Speed | Infill | Best For |
|---|---|---|---|---|
| Draft | 0.28mm | 40 mm/s | 10-15% | Rapid prototyping, test fits |
| Standard | 0.20mm | 30 mm/s | 15-20% | General purpose, everyday prints |
| Quality | 0.12mm | 20 mm/s | 20-30% | Miniatures, display pieces, fine detail |
Bed Adhesion
POM (acetal/Delrin) has extremely poor adhesion to most surfaces. Use a dedicated POM build sheet or apply a POM slurry (POM scraps dissolved in solvent). Blue painter's tape alone rarely works. A brim is essential. Some users report success with a rough PEI sheet and glue stick, but results are inconsistent.
Temperature Tuning Guide
Nozzle: 210°C
Range: 200-220°C. Printer max: 300°C.
- Poor layer adhesion? Increase +5°C
- Stringing or oozing? Decrease -5°C
- Print a temperature tower to find your exact sweet spot
Bed: 110°C
Range: 100-130°C. Printer max: 110°C.
- First layer lifting? Increase +5°C
- Elephant's foot? Decrease -5°C
- Let the bed fully preheat before starting
Troubleshooting POM on Anycubic Kobra 3 Combo
Pro Tips for POM
POM (Delrin/acetal) is one of the hardest filaments to get to stick to a build surface
Use a POM-specific build sheet or POM slurry for bed adhesion
An enclosure is essential; POM shrinks 2-3% and warps aggressively
POM excels for gears, bearings, and parts requiring low friction and high wear resistance
Support Settings
For prints requiring supports with POM, use tree supports for easier removal and less scarring. Set a 0.15-0.2mm Z-distance between support and model. If you have a dual-extruder setup, consider PVA (for PLA/PETG) or HIPS (for ABS) as dedicated water/solvent-soluble support material.
Anycubic Kobra 3 Combo Specs
| Build Volume | 250 x 250 x 260 mm |
| Max Speed | 600 mm/s |
| Max Nozzle Temp | 300°C |
| Max Bed Temp | 110°C |
| Extruder | Direct Drive |
POM Properties
| Nozzle Range | 200-220°C |
| Bed Range | 100-130°C |
| Speed Range | 20-40 mm/s |
| Difficulty | advanced |
| Drying | 60°C / 6h |
| Enclosure | Not needed |
POM at a Glance
Strengths
- Lowest friction of any printable plastic
- Replaces machined Delrin/Acetal parts
- Self-lubricating — ideal for gears and bearings
- Excellent fatigue resistance
Weaknesses
- Extremely difficult bed adhesion
- Requires POM-specific build surface or tape
- Emits formaldehyde fumes — ventilation required
- Very few printers handle it well
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Try 3DSearch →Sources: Based on manufacturer specifications and community recommendations, community testing data, manufacturer recommended ranges. Values calculated from filament specifications and printer hardware limits.