3D printed robot cat

This is a robot platform I built to test machine learning algorithms during my master thesis.

https://www.youtube.com/watch?v=zNXgT2csQ7A&t=

To assemble the cat you also need 8 servo motors, 4 RC car springs, 3x8x3 mm ball bearings and some nut and bolts.

if you would like to modify the design the fusion 360 files are availible at Grabcad:
https://grabcad.com/library/3d-printed-robot-cat-1


Parts I used:

Microcontroller:
Teensy 3.2

Servo PWM control (I2C bus):
PCA9685

Touchscreen:
2.4" SPI TFT LCD

Wireless communication:
HC-12

Ball bearings:
MR83ZZ 3x8x3mm

Motors: (X8)
https://hobbyking.com/en_us/turnigytm-tgy-1501mg-mg-servo-15-5kg-0-16sec-60g.html

Leg springs: (X4)
https://hobbyking.com/en_us/metal-rear-shock-a2031-2pcs.html?___store=en_us


Battery:
https://hobbyking.com/en_us/turnigy-nano-tech-1200mah-2s-15-25c-lipo-airsoft-pack.html

Springs from a ballpoint pen