Usonian Web Tools

Practical browser-based tools for guitar building and CNC work.

Choose a tool. Everything runs in your browser; no installation or account is required.

Fretboard Generator

Lay out a custom fretboard, save named designs, and export Easel-compatible SVG files for fret slots and the board outline.

Open Fretboard Generator

Radius Dish Creator

Create a spherical radius dish, preview it in 3D, and export an STL or Easel-compatible G-code with multiple toolpath options.

Open Radius Dish Creator

Nut Spacing Guide

Print a full-size 6-string nut-marking template with proportional string spacing, bass and treble labels, and a 1-inch calibration mark.

Open Nut Spacing Guide