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Atomic Filament 1 kg AMS-compatible spool
What are the dimensions of the Atomic Filament 1 kg spool? · Modern device · basis: Manufacturer specifications (Atomic Filament)
Also called: Atomic Filament 1 kg spool dimensions, Atomic Filament 1 kg spool size, Atomic Filament 1 kg spool hub hole diameter, Atomic Filament 1 kg spool spool holder, Atomic Filament 1 kg spool AMS fit, Atomic Filament 1 kg spool spool width, Atomic Filament 1 kg spool outer diameter, medidas carrete Atomic Filament 1 kg spool, Spule Maße Atomic Filament 1 kg spool, dimensões carretel Atomic Filament 1 kg
Exact dimensions. True size, with no printing tolerance added.
- length
- 200.03 mm
- width
- 200.03 mm
- height
- 66.68 mm
Notes
- The Atomic Filament 1 kg spool measures 200.03 mm across the flanges, 66.68 mm wide, with a 50.8 mm hub hole, as published by Atomic Filament.
- Atomic publishes the size in inches (7 7/8 × 2 5/8 in, 2 in hole); the mm values are direct conversions.
- 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.
Atomic Filament 1 kg AMS-compatible spool size chart
| dimension | value |
|---|---|
| Outer (flange) diameter | 200.03 mm (7.88 in) |
| Width | 66.68 mm (2.63 in) |
| Hub hole diameter | 50.8 mm (2 in) |
| Published size | 7 7/8 in diameter × 2 5/8 in thick, 2 in arbor hole |
| Empty spool weight | 260 g |
| Filament capacity | 1 kg |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| Atomic Filament | FAQ - Atomic Filament | web | Publisher's page; dimensions are facts |
Free files
★ Free files 1 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json
| atomic-filament-1-kg-ams-spool-spool | Spool envelope Ø200.03 × 66.68 mm with a Ø50.8 mm hub hole (flanges and core not modelled) | STEP · STL |
https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.Plain text: sheet.txt · JSON: /api/geometry?object=atomic-filament-1-kg-ams-spool

Fits with
Questions
What size is the Atomic Filament 1 kg spool?
200.03 mm outer diameter, 66.68 mm wide, 50.8 mm hub hole (7.88 × 2.63 in, 2 in hole).
Does the Atomic 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 200.03 × 66.68 mm this spool is inside that range on paper.



