thingiverse
Grip-E
UPDATE: Depending on the servos you choose, they might overpower the nerdduino. BigLazyB used a 470uF capacitor across the nerduino's Vcc/Gnd to fix this issue.
Give your Chip-E what every biped deserves, a set of fully functional arms! This awesome upgrade greatly increases Chip-E's physical capabilities. With these two sexy arms, Chip-E can now do perfect push-ups, hardcore hammer curls, pick himself up off the ground, and much more!
Materials needed:
6x 9g 180° servos
4x M2x10 hex screws
4x M2 hex nuts
4x M3x15 male standoffs
The Chip-E hardware kit includes a bunch of spare parts, which includes extra M2x10 hex screws, M2 hex nuts, and M3x15 male standoffs.
A tip on the servos: I used these TowerPro servos in my Chip-E because they were so cheap, but I've had a lot of problems with them and a few broke quite easily, so I wouldn't recommend them unless you are on an extremely tight buget. Instead you might want to consider some metal gear servos like these.
Scroll down to the bottom for a cool animation!
https://youtu.be/71RLPmq_848
Direct link to the original creator's page
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Frequently Asked Questions
How do I download Grip-E?
Click the "View on thingiverse" button above to visit the original model page on thingiverse. You can download the STL file directly from the creator's page for free.
What 3D printer can I use for this model?
This STL file is compatible with most FDM 3D printers (Creality Ender 3, Prusa MK3S+, Bambu Lab, etc.) and resin printers (Elegoo, Anycubic). Check the original page for recommended print settings and materials.
Is this 3D model free to download?
Yes, this model is available as a free download on thingiverse. Some creators accept tips or donations.
Can I modify this STL file?
Most STL files can be modified using free software like Blender, TinkerCAD, or Meshmixer. Check the license on the original thingiverse page to see if modifications are permitted by the creator.