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Guitarobot - Self-playing guitar — modelo 3D

Guitarobot - Self-playing guitar

por Jon en Printables

3D-Printed Components for my self-playing guitar project

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Licencia

Solo uso personal

CC BY-NC-SA 4.0 — Atribución, no comercial, compartir igual

Uso personal dando crédito; sin fines comerciales y las modificaciones con la misma licencia.

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Archivos (50)
Categoría
Tecnología
Formatos
STL
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2
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Sobre este modelo

This contains all 3D-printed parts of my Guitarobot project. Showcase video:

PCB files are available on OSHWLab: https://oshwlab.com/adfaskdjfasldkf/project_nzxtrjle Source code for firmware and host tools can be found on GitHub: https://github.com/Jonarw/guitar For each model file, I commented the recommended material and how many are needed. Generally, many of the models can really be printed with any moderately stiff material, I would recommend PLA or PETG for ease of printing. For anything that is in direct contact with solenoids or steppers, I would not recommend PLA for its low temperature tolerance. For the gears specifically I would recommend PLA for its hardness. Some parts need to be somewhat soft. I printed these from TPE-83, though anything in the A85 range should work I guess. Most parts can be printed without supports, exceptions are mentioned below in the model-specific printing tips. FretXX.stl: Print without supports. Pay attention to the bridging directions. You may have to add modifier volumes to your slicer to get all bridges in sensible directions (see example below).

Fingers: Add tiny supports for the small structure at the bottom of the fingers. For the short fingers I would recommend adding a brim, unless you have exceptional bed adhesion.

Gears: These are a bit tricky to print because of the integrated spacer at the bottom of the gear. I guess if you have a dual-nozzle printer, you can skip the 'Gear Support' model and just use the second nozzle for PETG supports. As I don't have a dual-nozzle printer, I used the 'Gear Support' model: - Print 12x 'Gear Support.stl' using PETG. Use a layer height that allows you to reach 0.5mm exactly (also pay attention to your initial layer height!).

- Leave the PETG supports on the build plate, do not let the plate cool down

- Print the 12 Gears (6x Gear A, 6x Gear B) in PLA on the exact same positions as the supports on the build plate. Make sure you have Z Hop active, so the nozzle does not touch the support when traveling

- After printing, the PETG support should snap right off and you have nice clean gears

Servo Arm S/M/L: You might have to experiment a bit with hole compensation in your slicer so the arm press-fits properly on the servo.

Descripción original del autor, publicada en Printables.

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