Filament tracking

Filament tracking & inventory that always adds up

Know exactly how much filament you have, what it is committed to, and what is free to print - by the gram, on every spool.

A spool tracker built on one honest ledger

No live scales, no guesswork - just an append-only grams ledger that is always exact.

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Grams-accurate stock

Every spool starts at a net weight; each print deducts what it used. Remaining, committed and free are always exact, and you can re-weigh and correct any time.

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Reusable spools & QR labels

Auto-numbered spools with printable QR labels. Scan a spool to open its status, or refill it to archive the old charge and start a fresh one.

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Material & colour library

Pick material and colour from a set your team manages, so stock stays consistent and every roll is labelled the same way.

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Low-stock alerts

Warnings by roll and by material total, so you reorder before a print stalls. Set the threshold that suits your workflow.

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Pools & storage areas

Group filament into shared or personal pools, and label the physical areas - drawers, shelves, dry boxes - where each spool lives.

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Reserved, never double-counted

Reservation commits stock to a job with a roll-over ladder, so two prints never claim the same grams. Confirm on finish for one honest deduction.

How filament tracking works in SpoolBoard

1. Add a spool

Number it, label it with the printed QR, and set its material, colour and starting net weight. Group it into a pool and a storage area.

2. Print against it

Each print reserves and then deducts grams. The ledger tracks committed vs free stock so you always know what you can actually print now.

3. Watch stock & cost

Remaining grams and unit cost update live. Low-stock flags tell you when to reorder, by roll and by material.

4. Refill and reuse

When a spool runs out, refill it: the old charge is archived for your records and a fresh one starts on the same reusable spool.

Frequently asked questions

Common questions about filament tracking, spool inventory and knowing how much filament is left.

How do I track filament usage?

Give each spool a starting weight, then log the grams each print uses. SpoolBoard keeps an append-only ledger per roll, so remaining, committed and free stock are always exact - no guessing from a half-empty spool.

How do you know how much filament is left on a spool?

Subtract what each print used from the spool's starting net weight. SpoolBoard does this automatically as a running ledger, and you can correct it any time by weighing the spool and entering the real figure.

What is the best way to organise filament spools?

Give every spool a reusable number and QR label, group them into pools or storage areas, and track material and colour from a set list. Scanning a spool's QR opens its exact status.

Can I track filament across several printers or a team?

Yes. Stock lives in shared pools your whole team can see, with roles controlling who can move or cost it. Reservation assigns stock to jobs across every printer so two prints never claim the same grams.

Start tracking your filament today

Reusable spools, QR labels, grams-accurate stock and low-stock alerts - plus print costing, scheduling and maintenance in the same calm app.

Start your free trial - from ยฃ3.99/month