Summary

This is a high torque motorized screw driver with a 3d printed case.

The detailed instructions will be updated later.

There are some parts I purchased for this device.
Hub - Set Screw (3mm Bore)
https://www.sparkfun.com/products/12104
Micro Gearmotor - 175 RPM (6-12V)
https://www.sparkfun.com/products/12205

TRUSTFIRE 18350 3.7V 1200MAH Rechargeable Lithium Batteries with Protection (Red)
http://www.amazon.com/TRUSTFIRE-1200MAH-Rechargeable-Batteries-Protection/dp/B008LCWW3C?ie=UTF8&psc=1&redirect=true&ref_=oh_aui_detailpage_o06_s00

uxcell® 3 Pcs Universal Car 6 Pins ON and OFF Momentary Rocker Switch
http://www.amazon.com/uxcell%C2%AE-Universal-Momentary-Rocker-Switch/dp/B00GYV04PA?ie=UTF8&psc=1&redirect=true&ref_=oh_aui_detailpage_o07_s00

50 x Silver Tone AA Battery Positive Negative Conversion Spring Plate

http://www.amazon.com/Silver-Battery-Positive-Negative-Conversion/dp/B00PZT080S?ie=UTF8&psc=1&redirect=true&ref_=oh_aui_detailpage_o09_s00

Demo:
https://www.youtube.com/watch?v=YG2xGhwmdq0
https://www.youtube.com/watch?v=hNzXkoBaGC0
https://www.youtube.com/watch?v=Ua8A5fnFFHM