Makerbeam sketchup components

Here is a starter set of makerbeam drawing components for Sketchup.
2012-12-01:
Added 45 and 60 deg brakets
2012-12-04:
Added Corner 90
2014-05-25
moved to https://www.youmagine.com/designs/ya3dp-yet-another-3d-printer
A helpful placeholder to show people that you've moved all of your designs to YOUMAGINE because of Thingiverse/Makerbot's ludicrous attempt at patenting for themselves designs which were created by people within their community:
http://traverseda.wordpress.com/2014/05/23/makerbot-blatently-steals-and-patents-a-community-design/