Filament tracker for Prusa

Track filament on Prusa through Prusa Connect

In short: Spooly fetches finished prints from Prusa Connect every 30 minutes and deducts the grams from the spool you assigned. You tell Spooly once which spool is loaded, and after that it books every print without asking. This also works with MMU3 and INDX.

I develop Spooly on my own in Vienna. Spooly is an independent product and not part of Prusa Research.

How it works

  1. 1

    Connect your Prusa account

    You sign in with your Prusa account right in Spooly, with a two-factor code if needed. Your printer has to be set up in Prusa Connect.

  2. 2

    Assign a spool

    Without an MMU, Spooly suggests the spool from your recent prints. With MMU3 you have 5 slots, with INDX as many as the printer has heads.

  3. 3

    Print

    The usage is deducted within 30 minutes of the print finishing. There is nothing to log afterwards.

What Spooly does

Printers
Core One, Core One L, MK4, MK4S, MK3S+, XL and MINI+, as long as they run in Prusa Connect.
Multicolor
MMU3 with 5 slots and INDX with one slot per head, for example 8 on the Core One L INDX.
Grams
The amount comes from the print file data Prusa Connect provides. It is the planned amount, nothing is measured.
Cancelled prints
Spooly books cancelled and failed prints at 0 g, because Prusa Connect doesn't know the real usage.
History
Your last 50 prints from Prusa Connect go into your history, without being deducted from your spools.

What it can't do

  • Spooly can't read a spool on Prusa. You assign it once by hand.
  • Spooly shows no progress during a print.
  • Without Prusa Connect, Spooly can't see the printer.
  • A finished print is sometimes deducted up to 30 minutes later.

Frequently asked questions

Do I need Spoolman or FilaBridge for this?
No. Spooly connects directly to Prusa Connect and needs no server of your own. Spoolman fits better if you want to self-host, see the comparison Spooly or Spoolman.
Does the Prusa connection cost anything?
No. It is included in the Free plan with up to 20 spools.
Does Spooly detect my spool automatically?
No. Prusa Connect doesn't report a spool to Spooly. You say once which one is loaded, and Spooly books from it until you change it.

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