designed on Solidworks this chromatic harmonica has parts made from PLA using the ultimaker 2 and laser cut acrylic sheets.the harmonica has a fully working slide plate (when a torsion spring is added). The only sound produced was 3 different pitched squeaks.

assem: The two halves of the comb are joined using plastic weld(Dyclo) as are the reeds and top reed plates the holes for the bolts to pass through were made using a 3mm drill bit and M3 bolts