MakerProof

For people who sell 3D prints

Every licence proven. Every print costed.

Two jobs behind one login: keep every commercial licence in order with its proof, and find out what a finished print really costs, in filament or resin, including the failures and waste that quietly eat the margin.

Start free, with 30 days of StandardSign in

Free for unlimited filament and up to 3 licences, with 30 days of Standard to start. No card required.

3licences tracked free, with their proof documents
6kinds of filament waste counted separately
30·14·3days of warning before a licence lapses
Waste countedFailures included

Example print

Filament · of which waste £0.34£2.44
Failure-rate uplift (15%)£0.43
Median true cost / unit£2.87

Inside the workshop

Two jobs behind one login: what you are licensed to sell, and what it actually cost you to make. Click through the screens.

The dashboard, showing licences tracked, median true cost per unit, filament on hand, a renewals calendar and recent prints.The dashboard, showing licences tracked, median true cost per unit, filament on hand, a renewals calendar and recent prints.
DashboardWhat needs attention today: a licence that has lapsed, renewals coming, a spool running low.
The licences list, showing designer, platform, licence type, renewal date and a status badge for each.The licences list, showing designer, platform, licence type, renewal date and a status badge for each.
LicencesEvery commercial licence you hold, when each one runs out, and the proof filed against it.
The filament screen, listing spools with material, colour, remaining grams and cost.The filament screen, listing spools with material, colour, remaining grams and cost.
FilamentWhat is on the shelf, what it cost, and roughly how long it will last at the rate you are printing.
The label sheet, showing a printable grid of filament labels — each with the brand, material, colour, a short code, the printing temperatures and a QR code.The label sheet, showing a printable grid of filament labels — each with the brand, material, colour, a short code, the printing temperatures and a QR code.
LabelsPrint a QR label for every reel. Scan it later and the app knows which spool you loaded, what it cost and what it prints at.
The log a print form filled from a slicer file: two reels matched by colour, the item and print time set, and the cost worked out alongside.The log a print form filled from a slicer file: two reels matched by colour, the item and print time set, and the cost worked out alongside.
Log a printDrop in the slicer file and the grams and print time fill themselves. Then say how it went, a partial success or a failure, and what was wasted.
The cost and waste screen, showing a full cost breakdown, a suggested price and a waste report by category.The cost and waste screen, showing a full cost breakdown, a suggested price and a waste report by category.
Cost and wasteWhat a print cost, with every layer shown — filament, electricity, machine wear, and the failure-rate uplift most people leave out.
The finished items screen, listing items with quantity in stock, cost and licence status.The finished items screen, listing items with quantity in stock, cost and licence status.
Finished itemsStock you can sell, and stock you cannot because the licence behind it has run out.
The stock calculator, showing how many units can be made from the filament currently on hand.The stock calculator, showing how many units can be made from the filament currently on hand.
Stock calculatorHow many more you can make before the filament runs out, and what to reorder.

These are the real screens. The workshop in them is invented.

Licence tracking

Every commercial licence in one place, with the proof of purchase and a snapshot of the terms as they were on the day you agreed them. If a designer or a marketplace ever asks, the answer takes a minute rather than an evening.

  • Proof documents stored against each licence
  • Terms captured as they were when you bought — designers change them
  • Renewal reminders before a licence lapses
  • Lapsed licences flag the items linked to them

Do I need a commercial licence to sell 3D prints?

Where each platform keeps its licence terms

Stock, waste and true cost

Track filament by spool, log prints as they happen, and see what a finished item really costs. The breakdown is always shown — never just a total.

  • Spool and finished-item stock levels
  • Waste recorded by category, not guessed at
  • Failed prints counted, because they cost the same filament
  • Cost and suggested price kept visually separate

What does a 3D print actually cost to make?

The number most sellers are missing

Purge on every filament swap. Failed prints. Supports, brims, stringing. None of it reaches a customer, all of it is paid for — and a seller who does not measure it prices as though it never happens.

MakerProof records waste by category so you can see which source is actually costing you, rather than adding a vague percentage and hoping.

Left the workshop as sellable printsPurge, supports and failed prints

An example kilogram, not an average — MakerProof measures your own figure from the prints you log.

PurgeFailed printSupportsSkirt / brimStringing

Where your filament actually goes

Let MakerProof AI do the typing

Paste a designer's terms, drop in a receipt or photograph a label, and MakerProof AI fills in the record for you to check. Every answer about a licence quotes the sentence it came from.

Optional, with a monthly allowance on every plan. Nothing is saved until you have checked it, and it is not legal advice.

  • Licence terms, read for you. What the designer allows, unit limits and credit wording, each with the sentence it came from.
  • Receipt in, licence filled. The model, designer, date and price, taken from the order.
  • Photograph the label. Brand, material, colour and weight go straight into the spool.
  • Ask your workshop. “What was my costliest print last month?”, answered from your own records.

Pricing

Less than one commercial licence a year.

£0 per month
No card needed

Free

All your filament and costs, with no limit, and your first few licences.

Free includes:

  • Unlimited spools, resin bottles, printers and finished items
  • 3 licences, with their proof documents
  • A renewal reminder email 30 days before
  • MakerProof AI each month: 3 licence readings, 5 receipts, 3 listing checks, 10 label photos, 2 spreadsheet matches and 10 questions
Start free, with 30 days of Standard
£3.50 per month
Includes 20% UK VAT (£2.92 without). Cancel any time.
£30 per year
Works out at £2.50 a month. Includes 20% UK VAT (£25 a year without).

Try it free for 30 days when you sign up. No card.

Standard

For a seller with a handful of designs on the go at once.

Everything in Free, plus:

  • 10 licences, with their proof documents
  • A second reminder, 14 days before
  • Evidence pack export, for when a designer or marketplace asks
  • More MakerProof AI each month: 20 licence readings, 30 receipts, 30 listing checks, 50 label photos, 10 spreadsheet matches and 50 questions
Choose this plan
Choose this plan
Best value
£6 per month
Includes 20% UK VAT (£5 without). Cancel any time.
£60 per year
Works out at £5 a month. Includes 20% UK VAT (£50 a year without).

Unlimited

For a seller with a catalogue of licensed designs.

Everything in Standard, plus:

  • Unlimited licences, with their proof documents
  • A third reminder, 3 days before
  • A generous fair-use MakerProof AI allowance
Choose this plan
Choose this plan

Every plan, including free, has unlimited spools and printers, the cost engine, waste reporting, proof documents and the stock calculator. Paying is for more licences, more reminders and the evidence pack. See everything that is on every plan

Prices include UK VAT at 20%. Outside the UK, Onelink, which sells the subscription, charges VAT or sales tax at your local rate instead, so your total may differ; checkout shows it before you pay. MakerProof does not calculate tax on your own sales — every figure in the app excludes it.

Find out what your prints actually cost

Free for unlimited filament and your first three licences, and the cost engine is on every plan. No card needed.

Create a free accountPricing

Takes a minute. Export or delete everything whenever you like.

Not ready yet? Work out your own numbers first — How to price a 3D print

What MakerProof is not

It is a record-keeping tool, not legal advice. It helps you keep evidence of the licences you hold and show it when asked. Whether a particular licence permits a particular sale is between you and the designer.

The cost figures are only as good as what you log. MakerProof shows the layers behind every total so you can see which part came from a measurement and which came from a setting you typed.