Free Maker Tools
Open utilities for PCB design, CNC machining, 3D printing, and electronics. No accounts, no tracking, no paywalls—just tools that work.
PCB Design Tools
Trace width calculators, impedance matching, via sizing, and copper weight conversions for circuit board design.
3D Printing Calculators
Flow rate optimization, print time estimation, material cost calculation, and support structure analysis.
CNC & Machining
Feeds & speeds calculator, chip load optimization, toolpath simulation, and cut depth recommendations.
Electronics Utilities
Resistor dividers, LED current limiters, voltage regulators, and power supply design calculators.
Material Properties DB
Open database of material specifications, thermal properties, and mechanical characteristics—no paywalls.
Component Search
Cross-reference parts, find compatible footprints, compare specifications, and locate supply chain alternatives.
Building in Public
These tools are being built in the open. Each utility will be released as it's completed, tested, and documented. Want to contribute? Check out our GitHub repo or suggest a tool you'd like to see built.