======= Reference =======
  * http://sketchupdate.blogspot.com
===== Plugins =====
  * http://www.crai.archi.fr/RubyLibraryDepot/Ruby/en_geo_page.htm

======= Models =======
  * 6" wye
    * http://sketchup.google.com/3dwarehouse/details?mid=14156d3c818d33ee976ca6ff2c7c6b04&prevstart=0
  * 6" 45"
    * http://sketchup.google.com/3dwarehouse/details?mid=92ace17428d9fa89b2b03b6629bd8af8
  * 6" blast gate
    * http://sketchup.google.com/3dwarehouse/details?mid=659101ca177e25e134183d39f6ba079f&prevstart=0


===== Woodworking =====
  * http://sketchupdate.blogspot.com/2009/03/woodworkers-3-sketchup.html
  * http://finewoodworking.taunton.com/blog/design-click-build
    * http://blogs.taunton.com/fw-designforum