FretLab is the fretboard design tool that thinks like a luthier. Whether you're building your first guitar or your hundredth, FretLab guides you through every design decision with a conversational interface, live visual previews, and shop-ready outputs.
DESIGN THROUGH CONVERSATION
Forget confusing calculators and overwhelming forms. FretLab asks you simple questions—one at a time—and builds your fretboard design as you answer. See your design come to life in real-time with every choice you make.
• What scale length are you building?
• How many frets do you need?
• What nut width feels right?
FretLab handles the math. You focus on the craft.
SINGLE-SCALE & MULTISCALE SUPPORT
Design traditional single-scale fretboards or dive into multiscale (fanned fret) builds with full control over bass scale, treble scale, and neutral fret placement. FretLab calculates precise fret positions for both.
43 VERIFIED GUITAR PRESETS
Start from proven designs with our library of 43 meticulously researched presets:
• Classic Electric: Stratocaster, Telecaster, Les Paul, SG, and more
• Vintage Models: '59 Les Paul, '60s Strat, '52 Telecaster
• Modern Electric: PRS, Ibanez, Jackson, EVH Wolfgang
• Acoustic: Martin D-28, Taylor 814, Gibson J-45, Classical
• Bass: Precision, Jazz, StingRay, Rickenbacker
• Extended Range: 7-string, 8-string, Baritone
• Multiscale: Strandberg, Ibanez RGMS
Each preset includes verified scale length, nut width, fret count, and taper specifications.
LIVE VISUAL PREVIEW
Watch your fretboard take shape as you design. The live diagram updates instantly, showing:
• Fretboard outline with accurate taper
• All fret positions
• Centerline reference
• Key width markers
• Neutral fret indicator (for multiscale)
SMART VALIDATION
FretLab warns you before you make mistakes:
• Unusual taper rates
• Extreme multiscale spreads
• Inconsistent geometry
• Values outside normal ranges
Catch problems on screen, not in the shop.
SHOP-READY OUTPUTS
Export your designs in formats ready for the workshop:
• SVG Construction Layout – Full annotations and dimensions
• SVG Clean Geometry – Pure geometry for CAD/CAM import
• DXF CAD Format – Perfect for CNC machines and laser cutters
• 1:1 Print Template – Actual-size template with verification ruler
COMPARE DESIGNS
Put two designs side-by-side to see exactly how they differ. FretLab highlights key differences and explains what they mean for playability and construction.
WORKS COMPLETELY OFFLINE
All calculations happen on your device. No internet required. No data leaves your phone. Your designs stay private.
FREEMIUM MODEL
• FREE: Full conversation flow, live preview, 1 saved project
• PREMIUM: Unlimited projects, all exports, design comparison
Perfect for hobby builders exploring their first design or professional luthiers streamlining their workflow.
BUILT FOR LUTHIERS, BY GUITAR LOVERS
FretLab was created by Mihr Guitars with one goal: make fretboard design accessible to everyone. Whether you're calculating your first scale length or designing a custom multiscale masterpiece, FretLab is your trusted companion in the shop.
Download FretLab and start building better fretboards today.
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Questions or feedback? Contact us at tal@mihrguitars.com
Terms: https://www.mihrguitars.com/fretlab/terms-of-service/ios
Privacy: https://www.mihrguitars.com/fretlab/privacy-policy/ios
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