Empty Spool Weights 5 variants
| Spool | Empty weight | Filament | Notes | |
|---|---|---|---|---|
| 1 kg Cardboard | 158 g | 1 kg | 145–171 g reported | |
| 1 kg Plastic | 114 g | 1 kg | 111–116 g reported | |
| 250 g Plastic | 63 g | 250 g | — | |
| Rapid PETG 1 kg Cardboard | 153 g | 1 kg | Rapid PETG line, 2025 | |
| Rapid PETG 3 kg Plastic | 322 g | 3 kg | 321.9–322.6 g reported across two units |
Community-reported values. Weigh yours for precision.