Sometimes, on cheaper guitars especially, the pickups are way too low and that impacts the sound quality of the guitar. These shims raise the height of P90s. They go between the pickups and the body of the guitar.

2.5mm Tall, you can scale Z in slicer to make them as tall as you need.

Print Settings:

Layer Height: 0.1mm - 0.2mm

Infill: 35% or Greater