All 3D printing tools
15 free tools that run in your browser. Your files never leave your device.
STL weight & filament calculator
Drop an STL to get grams, metres of filament and cost for PLA, PETG, ABS and more.
3D print cost calculator
Filament, electricity, printer wear, labour, failure rate and markup — what to charge.
3D print time estimator
Drop an STL and estimate print time and energy use from layer height and speed.
Online STL viewer & measure
View any STL in 3D, get exact dimensions and check it fits your printer bed.
STL scale & unit fixer
Find the exact scale % to hit a target size, or fix inch/cm exports.
Filament length ↔ weight converter
Convert metres of filament to grams and back for any material and diameter.
Lithophane generator
Turn a photo into a printable lithophane STL with a live 3D preview.
Resin print cost calculator
Resin volume with supports, bottle cost, power and price per MSLA print.
Infill strength estimator
Compare infill % and pattern against weight and relative strength.
Name keychain generator
Type a name and download a printable keychain STL.
E-steps & flow calibration calculator
Calibrate extruder e-steps and flow rate, with the exact M92 G-code to send.
Temperature tower G-code generator
Add temperature changes by height to any sliced G-code file.
3D print tolerance & hole size calculator
Hole and peg sizes for press, snug, sliding and loose fits, M2–M10 bolts.
Filament drying temperature & time chart
How hot and how long to dry PLA, PETG, TPU, Nylon and more.
3D print quote generator
Build a printable price quote for customers with parts, labour, tax and shipping.