Armrest for Acoustic Guitar
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Shell that clips onto the bottom of a classical (or acoustic) guitar to create an ergonomic curvature to reduce strain.
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Model information
- Source
- Printables
- Category
- Music
- License
- Creative Commons — Attribution — Share Alike
Additional parts:
- M4 heat-set insert 6 mm in length.
- Hand-cut gasket or pad to match the inside of the flat semicircular area.
- Hand-cut gasket or pad to match the inside flat trapezoid on the clip.
- I make my gaskets from corkprene, but it may be possible to print TPU if you roll that way.
- Metric gnurled hex socket cap screw M4 between 25 and 35 mm in length (I got mine at my local True Value for about $1).
- Felt or suede to place on the three downward faces to prevent scratching the guitar.
- Adhesive for gaskets and pads (I use E6000).
- Matte acrylic spray for finish, optional
I print in PLA, with minimum 3 perimeters, Prusa Slic3r settings 0.2 mm QUALITY, support to build plate only. I print the shell with the flat front C-shaped part to the build plate. I print the clip with one side to build plate to get long-direction strength along the alignment pin. After printing I wet-sand the outer shell to 600 grit, because I want it smooth against the arm.
The design is for a 10 cm depth of guitar, in this case a Cordoba C3M. I extracted the profile by tracing the guitar's curve, but it will probably work on other guitars. If needed, the design file (FreeCAD) is included.