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Polymaker 3 kg cardboard spool

What are the dimensions of the Polymaker 3 kg spool? · Modern device · basis: Manufacturer specifications (Polymaker)

Also called: Polymaker 3 kg spool dimensions, Polymaker 3 kg spool size, Polymaker 3 kg spool hub hole diameter, Polymaker 3 kg spool spool holder, Polymaker 3 kg spool AMS fit, Polymaker 3 kg spool spool width, Polymaker 3 kg spool outer diameter, medidas carrete Polymaker 3 kg spool, Spule Maße Polymaker 3 kg spool, dimensões carretel Polymaker 3 kg spool

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

length
250 mm
width
250 mm
height
117.2 mm

Notes

  • The Polymaker 3 kg spool measures 250 mm across the flanges, 117.2 mm wide, with a 55 mm hub hole, as published by Polymaker.
  • 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.

Polymaker 3 kg cardboard spool size chart

dimensionvalue
Outer (flange) diameter250 mm (9.84 in)
Width117.2 mm (4.61 in)
Hub hole diameter55 mm (2.17 in)
TolerancesØ 250 ± 1 mm, width 117.2 ± 2 mm, hole 55 ± 1 mm
Spool materialCardboard
Empty spool weight425 ± 21.3 g
Filament capacity3 kg

Where the files are

Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.

PolymakerPolymaker FAQ (spool specifications)webPublisher'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

polymaker-3-kg-cardboard-spool-spoolSpool envelope Ø250 × 117.2 mm with a Ø55 mm hub hole (flanges and core not modelled)STEP · STL
Let your AI pull this. Add 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.
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Plain text: sheet.txt · JSON: /api/geometry?object=polymaker-3-kg-cardboard-spool

Polymaker 3 kg cardboard spool, isometric render of a generated part
Render of polymaker-3-kg-cardboard-spool-spool from the free STEP; not to scale.

Fits with

Polymaker 1 kg cardboard spool, isometric render of a generated part
Polymaker 1 kg cardboard spool200×200×65.6 mm★ 1 file
Filamentive 300–500 g cardboard spool, isometric render of a generated part
Filamentive 300–500 g cardboard spool200×200×40 mm★ 1 file
Filamentive 750 g cardboard spool, isometric render of a generated part
Filamentive 750 g cardboard spool200×200×56 mm★ 1 file
Filamentive 1 kg cardboard spool (narrow, from April 2025), isometric render of a generated part
Filamentive 1 kg cardboard spool (narrow, from April 2025)200×200×68 mm★ 1 file
Filamentive ReFill coil (for Bambu Lab reusable spool), isometric render of a generated part
Filamentive ReFill coil (for Bambu Lab reusable spool)185×185×60 mm★ 1 file

Questions

What size is the Polymaker 3 kg spool?

250 mm outer diameter, 117.2 mm wide, 55 mm hub hole (9.84 × 4.61 in, 2.17 in hole).

Does the Polymaker 3 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 250 × 117.2 mm this spool is outside that range on paper, so plan on an adapter or an external holder.