What length in pixels does a Wings3D unit of measurement equate to?

[micheus]

Due to all observations we did during this process to test the plugin and slicers (most checking made by oort), we decided to remove the informative table because we conclude all the tested slicers will load 1STL unit as 1mm.

So, this is the final layout of the STL export dialog:


Again, if someone want to test it and give me a feedback here is the link to download the patch. Use the option File->Install Plug-in or Patch in the main menu to "replace" the original one.