Bipedal walking unit for Stackchan

This is a diff of the following thing arranged.
・Foot_L.stl
・Foot_R.stl
・Leg_L.stl
・Leg_R.stl
・Spur_Gear_8_teeth.stl
Please get the above five files from the original.


https://www.thingiverse.com/thing:5233589



This is a set of option parts for Stackchan, that gives Stackchan bipedal walking ability.
Stackchan is originally designed and developped by Shinya Ishkawa (@meganetaaan).

See the following link for details of Stackchan: https://github.com/meganetaaan/stack-chan

This model requires:
M5Stack (Core Basic, Gray, Go, Fire, Core2)
Servo module for M5Stack
M5Go Bottom or GoBottom
SG90 servo motor (x 4)
M2x15mm screw + appropriate washer

Stackchan Body for SG90 and Go Bottom (https://github.com/meganetaaan/stack-chan/tree/main/case/contributed/mongonta_case_for_SG90_and_M5GoBottomBoard/case_for_SG90andM5GoBottomBoard)

[Note]: Servo Module for M5Stack is not available (EOL) in M5Stack official shop. Unfortunately currently available Servo2 Module is n