# American Filament 1 kg spool

> What are the dimensions of the American Filament 1 kg spool?

- Category: 3D printers & filament › Filament spools
- Kind: Modern device
- Basis: Manufacturer specifications (American Filament)
- Page: https://xemstudio.com/objects/american-filament-1-kg-spool/ · JSON: https://xemstudio.com/api/geometry?object=american-filament-1-kg-spool · Plain text: https://xemstudio.com/objects/american-filament-1-kg-spool/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files CC BY 4.0 or their publisher's license
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 200 | 200 | 67 |

**Exact dimensions.** True size, with no printing tolerance added.

## Notes

- The American Filament 1 kg spool measures 200 mm across the flanges, 67 mm wide, with a 52 mm hub hole, as published by American Filament.
- 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.

## Sizes

| dimension | value |
|---|---|
| Outer (flange) diameter | 200 mm (7.87 in) |
| Width | 67 mm (2.64 in) |
| Hub hole diameter | 52 mm (2.05 in) |
| Bore (inner) diameter | 52 mm, as listed |
| Filament capacity | 1 kg |

## Where the files are

- American Filament: [Do your spools fit in the Bambu Labs AMS unit?](https://americanfilament.us/blogs/faq/do-your-spools-fit-in-the-bambu-labs-ams-unit) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/american-filament-1-kg-spool/index.json

- american-filament-1-kg-spool-spool: [STEP](https://xemstudio.com/files/hardware/american-filament-1-kg-spool/american-filament-1-kg-spool-spool.step) · [STL](https://xemstudio.com/files/hardware/american-filament-1-kg-spool/american-filament-1-kg-spool-spool.stl) — Spool envelope Ø200 × 67 mm with a Ø52 mm hub hole (flanges and core not modelled)

## Questions

**What size is the American Filament 1 kg spool?**

200 mm outer diameter, 67 mm wide, 52 mm hub hole (7.87 × 2.64 in, 2.05 in hole).

**Does the American Filament 1 kg spool fit a Bambu Lab AMS?**

Bambu Lab lists the AMS HT for spools 197–202 mm in diameter and 50–68 mm wide; at 200 × 67 mm this spool is inside that range on paper.

## Fits with

- [Filamentive 300–500 g cardboard spool](https://xemstudio.com/objects/filamentive-300-500-g-cardboard-spool/)
- [Filamentive 750 g cardboard spool](https://xemstudio.com/objects/filamentive-750-g-cardboard-spool/)
- [Filamentive 1 kg cardboard spool (narrow, from April 2025)](https://xemstudio.com/objects/filamentive-1-kg-cardboard-spool/)
- [Filamentive ReFill coil (for Bambu Lab reusable spool)](https://xemstudio.com/objects/filamentive-refill-coil/)