3D-Fuel 4 kg spool — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/3d-fuel-4-kg-spool/  (sheet CC BY 4.0)
Basis: Manufacturer specifications (3D-Fuel)
Catalog version: 2026-10-20

Overall (mm): length 298.5, width 298.5, height 101.6
- The 3D-Fuel 4 kg spool measures 298.5 mm across the flanges, 101.6 mm wide, with a 52.4 mm hub hole, as published by 3D-Fuel.
- The file is a solid envelope cylinder at the outer diameter and width with the hub hole through it; flange thickness, core diameter, ribs and windows are not modelled.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.

dimension  value
Outer (flange) diameter  298.5 mm (11.75 in)
Width  101.6 mm (4 in)
Hub hole diameter  52.4 mm (2.06 in)
Published inch values  11.75 in × 4.0 in, 2.063 in hole
Empty spool weight  920 g
Filament capacity  4 kg

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- 3D-Fuel: What are the sizes and weights of your spools? — web — Publisher's page; dimensions are facts — https://support.3dfuel.com/hc/en-us/articles/360059449374-What-are-the-sizes-and-weights-of-your-spools

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/3d-fuel-4-kg-spool/index.json
API: https://xemstudio.com/api/geometry?object=3d-fuel-4-kg-spool