About SpoolDeal
Honest filament prices, checked for you
SpoolDeal is a free price tracker for 3D printer filament in the UK. We check thousands of listings through the day and compare every price with its own history, so you can tell a genuine deal from a marketing one and buy at the right time.
- listings tracked
- 4,218
- brands
- 63
- materials
- 37
- below usual price now
- 751
Why SpoolDeal exists
Filament prices on Amazon UK move several times a week. The same reel can swing by pounds as sellers compete, lightning deals come and go, and the "was" prices are set by the sellers themselves.
SpoolDeal exists so you don't have to watch prices yourself. Every price is compared with what that listing has actually sold for, every listing is compared per kilogram, and alerts tell you when the price you want arrives. Whether you print the odd model or run a print farm, the goal is the same: never pay more than you need to for filament.
A quick tour: price drops, price history, alerts, the colour matcher and the maker toolkit.
What makes SpoolDeal different
What you get, free.
Deals measured against real history
A discount only counts when the price is below what that reel has actually sold for over the last 90 days of our checks, never against a seller's own "was" price.
Today's price dropsPrice per kilogram
Spools range from 250g to 3kg and bundles are priced as one, so we work out the price per kilogram and a four-pack compares fairly with a 500g reel.
Filament under £10/kgAlerts that come to you
Set a target price on any reel, or favourite it for price-drop and back-in-stock emails, and stop refreshing product pages.
How alerts workGuides built on data
Printer guides, material comparisons and the drying chart all come from one table of verified specs, so they never contradict each other.
Best filament for your printerTools for makers
A print cost calculator for quoting jobs, the colour matcher, a spool label designer, an empty spool weight catalogue and My Inventory for the reels you own.
Print cost calculatorA community of makers
Reviews and print photos from people who have used the filament, deals submitted by members, and themed collections.
Collections
How it works
The same rules on every page, so a deal badge means the same thing everywhere.
Re-checked through the day
Every tracked listing on Amazon UK, Eryone UK and SUNLU UK is re-checked through the day, and the most-watched ones every two hours.
Measured against our own history
A deal only counts when the price is below what that reel has actually sold for over the last 90 days, not a seller's “was” price.
An email when it drops
Set a target price on any reel with a free account and we email you when it gets there.
How we make money
SpoolDeal is free. When you buy through our links we may earn a small commission: as an Amazon Associate we earn from qualifying purchases, and we work with a few other retailers too.
It never changes the price you pay. Deals are ranked by price and price history, not by commission, and a sponsored placement, when there is one, is labelled "Sponsored".
Who's behind it
SpoolDeal is built and run in the UK by James Watts of Trinkify3D. You can find Trinkify3D on YouTube, TikTok and Facebook.
Get deals your way
Hear about price drops without checking the site.
Questions, ideas or a bug?
We'd love to hear from the 3D printing community, whether it's feedback, a feature idea or something that doesn't look right.