Purpose-built musician utilities

From musical idea to usable setting.

Deep, focused tools for the two moments where rough calculations get in the way: dialing a rhythmic delay and laying out an instrument.

Available tools

For guitarists & pedal users

Delay Patch Builder

Start with a musical recipe, hear one bar, check your pedal limit, then copy the complete mono or stereo patch.

5 recipesOne-bar audio21 reference values
Build a delay patch

For builders & repair benches

Fret Calculator

Calculate every centerline from the nut and export workshop-ready measurements or an actual-size print layout.

10 presetsmm & inchesCSV · SVG · PDF
Calculate fret spacing
Transparent math, useful output.Browser-based calculations, documented formulas, no account required.
Review the methodology

From the workshop

Turn the fret layout into an accurate paper template.

Learn the print settings, page alignment method, and two measurements that catch scaling errors before the first cut.

Read the full-scale print guide