For 3D-Fuel materials, we primarily use two spools in the US: 1kg and 4kg. The material for these spools is High Impact Polystyrene
NOTE: We are currently transitioning from our old 1kg spool which fits in the Bambu Lab AMS but does not allow the lid to fully close (it won't be able to latch shut) to a new 1kg spool which DOES enable you to fully close and latch the Bambu Lab AMS.
For Essentium/Nexa3D materials, we use 750g and 2.5kg spools made from PC-ABS. These spools are more expensive than HIPS spools, but they can withstand the much higher drying temps that many of these materials require.
| Measurement | 750g | New 1kg Spool (AMS compatible) | Old 1kg Spool | 2.5kg | 4kg Spool |
25lb/11kg Spool |
| d1) Flange Diameter | 200mm / 7.875" | 200mm / 7.87" | 202mm / 7.93" | 295.5mm / 11.75" | 298.5mm / 11.75" | 406mm / 16" |
| L1) Outside Width | 55mm / 2.15" | 68mm / 2.68" | 69mm / 2.72" | 104mm / 4.09" | 101.6mm / 4.0" | 210mm / 8.25" |
| L2) Traverse or Inside Width | 44.5mm / 1.75" | 59mm / 2.32" | 60mm / 2.36" | 93.7mm / 3.69" | 91.4mm / 3.6" |
178mm / 7" |
| d2) Barrel (Core) Outer Diameter | 96.5mm / 3.8" | 105mm / 4.13" | 95mm / 3.75" | 177.8mm / 7" | 128.2mm / 5.046" | 213mm / 8.375" |
| d3) Arbor Hole or Center Inside Diameter | 52mm / 2.05" | 52mm / 2.05" | 54mm / 2.12" | 52mm / 2.05" | 52.4mm / 2.063" | 30.5mm / 1.2" |
| Spool Weight (empty) | 365g | 225g / 7.9 oz | 266g / 9.3 oz | 918g | 920g / 2.0 lbs. | n/a |
| Spool Material | PC-ABS | HIPS | HIPS | PC-ABS | HIPS |
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