Turn pink shaft to raise or decrease the table
All 45 deg. right hand helical gears are of the same tooth number.
Orange gears have threaded holes to play the role of nuts for blue screws.
STEP files of this video:
http://www.mediafire.com/file/x5s78y2...
Inventor files of this video:
http://www.mediafire.com/file/uyn1bj5...