01. Laser Cut Ukulele

Hand-built to innovate on a well established art.

Concert ukulele build

Overview

This build incorporated laser cut parts to take static wood and give it life. The top, bottom and sides of the ukulele are all laser cut from plywood sheets and assembled to an off the shelf neck and fretboard. The sides utilize parametric kerfing to bend around the body.

Process

I was inspired by the work of Aaron Porterfield and reasoned that this technique could be used for an instrument. I designed the body using Fusion 360, along with the sides in AutoCAD. The sides were cut from plywood with a kerf pattern, as shown below.

Ukulele body design in Fusion 360 #1 Ukulele body design in Fusion 360 #2
Kerf pattern

When laser cutting the pieces, I had a thought to optimize the sound resonance within the body by adding an internal membrane layer. This involved cutting a thin plywood layer to fit around to body to add some structural integrity and potentially improve sound quality. The body was then assembled using wood glue and clamps to hold the pieces in place while drying.

Membrane on ukulele body
Parts cut out

After the body was assembled, the neck and fretboard were intstalled using wood glue. Additionally, a crude version of a pickup was added for increased versatility, then the ukulele was strung up and tuned.

Tuning ukulele
Final product

Reflection

This project was a great first step for me to learn about making instruments. Though there is much to be refined in this process, I am happy with the final result of this build. The ukulele has a unique sound and an interesting aesthetic through the use of kerfing for the sides.

Tuning ukulele