Goal - prepare a video tutorial on how to make the 8mm universal axis in FreeCAD by modifying dimensions/orientation in a spreadsheet.

Files for main parts:
- [[File:Universal_axis_motor_side.fcstd]]
- [[File:Universal_axis_carriage_side.fcstd]]
- [[File:Universal_Axis_Idler_Side_short_version.fcstd]]

Some references:
- [[Universal_CNC_Axis#Universal_Axis_-_Working_Document]]
- [[D3D_Part_Library#5.2F16.22_or_8_mm_Rod_Version]]
- [[https://www.youtube.com/watch?v=q3xQtt5IZrw Universal Axis in YouTube]]
- [[http://3dcontent.be/axis_8mm_rods/axis_8mm_rods.html Universal axis in browser]]
- [[https://docs.google.com/presentation/d/15h4rSBorhgnTEDb5YvI7J7ZjUA-xS1olQm4jqWcIf2w/edit?usp=sharing Universal axis slides]]