Tools for getting it right.
The same calculators and checks we use in the workshop, free to use whether or not you order from us. Nothing you open here leaves your browser unless you ask for a price.
Instant quote
Upload an STL, 3MF or OBJ. See its size, weight, print time and a price from our real rates.
OpenMaterial guide
PLA and PETG side by side: strength, heat, outdoor life and the honest truth about food contact.
OpenModel checker
Look at a model in 3D and check it before you send it: holes, loose pieces, overhangs and whether it fits.
OpenFilament calculator
Turn metres into grams and grams into money, and work out how much is left on a half-used spool.
OpenScale & unit converter
Millimetres and inches, 1:35 and HO scale, and the exact percentage to type into a slicer.
OpenDesign guidelines
Wall thickness, clearances, overhangs, text size and how to split a part that’s too big for one print.
Open