Open Source · Free Forever

Precision Tools for Digital Makers

Free, browser-based tools for 3D printing, engineering, and digital fabrication. No sign-up, no ads, no limits.

50+Printers
37Materials
12Brands
100%Free

Maker Tools

Everything you need, right in your browser.

Live

3D Print Cost Calculator

Calculate exact printing costs including material, electricity, depreciation, and labor. Supports 50+ printers and 37 materials.

FDMResinCost Analysis

50+ Printers · 37 Materials · 12 Brands

Coming Soon

Filament Manager

Track your filament inventory, monitor spool usage, and get alerts when stock runs low.

InventoryTracking
Coming Soon

G-Code Analyzer

Analyze G-Code files, visualize print paths, and estimate time and material usage before printing.

AnalysisPreview
Coming Soon

Print Time Estimator

Accurate print time estimation based on your slicer settings, printer model, and part geometry.

EstimationPlanning
Coming Soon

Unit Converter

Convert between engineering units — mm, inches, thou, microns, and more. Built for precision work.

ConversionEngineering
Coming Soon

Tolerance Calculator

Calculate fit tolerances for 3D printed parts. ISO 286 clearance, transition, and interference fits.

ISO 286Mechanical