About this 3D model
This is a replacement for those metal or plastic spacers that are used to mount a PC motherboard inside an AT or ATX case. Design removed and replaced with the flat disk you see, feel free to email for the original if you want it. See following link for details http://traverseda.wordpress.com/2014/05/23/makerbot-blatently-steals-and-patents-a-community-design/ For alternatives to thingiverse see http://www.reddit.com/r/3Dprinting/comments/26do2z/alternative_repositories_to_thingiverse/