3D Printed Delta Robot (Servo Driven)

Components (for the delta robot without the added legs or end effectors):
3x HJ S3315D Robot Servo (With brackets and bolts)
1x SG90 9g Micro Servo (With servo arms and screws)
1x Arduino Nano
1x Buck Voltage Regulator (Needs to be able to take 12.6V input and output ~5A at 6V)
1x HC-05 Bluetooth Module

12x M3 Ball studs (4.8mm ball, M3 thread, 10mm thread length)
24x M3 Button Head Hex Bolts 8mm (12x if you just use 2 on each bracket)
2x M3 Button Head Hex Bolts 12mm
26x M3 Nyloc Nuts
6x Tension springs ~20mm long
4mm ball bearings

1x 3S 11.1V 1000mAh 20C Li-Po with JST connector
1x Switch
2x 33k resistors
1x 22k resistor
1x 15k resistor
1x 1000uF electrolytic capacitor
1x 330uF electrolytic capacitor
1x Servo extension cable
Female headers for the Arduino, HC-05 Bluetooth module
Male headers for the servos
Protoboard
Wire
JST connector for the battery
PLA for 3D printing

Aluminium tubing for the legs is 333mm long, 16mm external diameter and 14mm int