2 in 1 Functional Guitar Neck Rest.

• Curved design that hugs the back of the neck for the perfect fit.
• Suitable for most guitars, basses, ukulele, mandolin, banjo and more.
• Two height design that can suit different instruments

Recommended Print settings
- Infill: 15%
- Wall count: 4
- Solid top/bottom layers : 4

Filament:
- PLA/ABS it's all up to you.

File is oriented in preferred orientation so no support is needed. 
 

I added some pieces of leather, glued on using 3M Hi-Tack 76 Spray Adhesive, remember to mask of the parts that you don't want glue on (i didn't). You can also use cork sheet if you don't have some scrap leather laying around.