Description

A simple design for a quadruped robot. The robot should be easy to print on a small hobby grade printer (the one depicted was print on a Printrbot Simple Metal).  The assembly doesn't requires screws/bolts , the parts click-fit together (0.3mm of tolerance).

#Updated 3.11.16 Based on feedback made some small changes to the design (larger room for electronics and better fit/lock system for the "belt") and uploaded a new set of STL.

For the electronics you will need 8 servos (9G.) a microcontroller a servo controller and power. The model in the picture use the following:

There ain't much room with this setup, so I'll plan to order a Adafruit Feather (https://www.adafruit.com/produ...) and a 8 channel Servo FeatherWing (https://www.adafruit.com/produ...)

The robot was designed using OnShape, a browser based parametric CAD software package. You are free to copy/customise the project. The link to the project is: https://cad.onshape.com/docume...

OnShape is free to use for up to 10 private projects and unlimited for public projects. You can read more about other quadruped bots at my blog at www.burningservos.com

Video of the walk cycle (of af previous laser cut design): Felix walk cycle

Design Files

File Size

Belt.stl
35.2 KB
BodyBack.stl
75.9 KB
BodyFront.stl
185 KB
FemurBackLeft.stl
59.3 KB
FemurBackRight.stl
59.3 KB
FemurFrontLeft.stl
59.3 KB
FemurFrontRight.stl
59.3 KB
HipBackLeft.stl
116 KB
HipBackRight.stl
116 KB
HipFrontLeft.stl
116 KB
HipFrontRight.stl
116 KB
TibiaBackLeft.stl
115 KB
TibiaBackRight.stl
115 KB
TibiaFrontLeft.stl
115 KB
TibiaFrontRight.stl
115 KB

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