breton_nerd, i use this version of ruby http://rubyforge.org/frs/download.php/47082/ruby186-27_rc2.exe for compile C++ extension.
And I comment lines
//#if _MSC_VER != 1200
//#error MSC version unmatch
//#endif
in c:\Ruby186\lib\ruby\1.8\i386-mswin32\config.h
I had failed with other versions. What version of ruby you use?

@escapeartist said:

Don't forget that Blender has some great free render software too. Luxrender, Yafaray, POV, and others, though they are not working in 2.5 or 64 bit Blender yet. I just do my modeling in 2.5 and then export to 2.49 for rendering.

Yafaray for Blender 2.5 64bit
http://www.yafaray.org/phpBB3/viewtopic.php?f=12&t=3548

This code work:

 model = Sketchup.active_model
    faces = []
    faces.concat( model.entities.select{|e| e.is_a?( Sketchup;;Face ) }    )
    model.definitions.each { |d|
      next if d.image?
      faces.concat( d.entities.select{|e| e.is_a?( Sketchup;;Face ) } )
    }

thomthom, I run your code on Sketchup 7.1:

(eval);508; compile error
(eval);505; syntax error, unexpected tIDENTIFIER, expecting ')'
model.definitions.each { |d|
     ^
(eval);508; syntax error, unexpected '}', expecting ')'<<< Process finished.

I get DXF file, export from CorelDraw. Import into Sketchup.

Zoom-in.

How fix this problem? How to close the open circuit? What plugin would help?

New version SU2SLG 6 May 2010 for SLG 1.5beta3

• export textures
• export normals
• export sunlight and sunsky
• add setting editor (not all options work)
• and many other changes

http://www.luxrender.net/forum/viewtopic.php?f=34&t=3691&start=10#p38274

Test new UI of Setting Editor http://exvion.ru/ui-su2slg/

Because not all developers to add this feature in own plugins.

@solo said:

What if you have a stone texture called 'lightgreymarble', will it become a light?

yes, It is temp solution.

Khai, You have to add light source. Create material with name contain "light" ex. "leftlight", "toplight", "mylight1" and assign to mesh.

Khai, do you open su2slg.skp or create own scene?