Notes
Neptune 4 direct drive handles soft TPU. Use Klipper pressure advance = 0. 82A shore — extremely soft, gel-like.
Tips
Slowest of all TPU grades. Disable all retraction. Even 20mm/s may cause jams with 82A — start at 15mm/s. Layer height 0.3mm reduces layer count and jam risk.
Details
Neptune 4 direct drive handles soft TPU. Use Klipper pressure advance = 0. 82A shore — extremely soft, gel-like.
Temperatures
| Setting | Value |
|---|---|
| Nozzle | 220 °C |
| Bed | 35 °C |
| First Layer Bed | 40 °C |
Speed
| Setting | Value |
|---|---|
| Print Speed | 14 mm/s |
| First Layer Speed | 8 mm/s |
Cooling
| Setting | Value |
|---|---|
| Fan Speed | 0 % |
Retraction
| Setting | Value |
|---|---|
| Distance | 0 mm (disabled) |
Quality
| Setting | Value |
|---|---|
| Layer Height | 0.3 mm |
| Flow Rate | 100 % |
Notes
| Setting | Value |
|---|---|
| Speed Note | Start at 15mm/s and increase only if jam-free important |
Tips
Slowest of all TPU grades. Disable all retraction. Even 20mm/s may cause jams with 82A — start at 15mm/s. Layer height 0.3mm reduces layer count and jam risk.