OSX open .3dm files with MoI as standard

 From:  Martin (MARTIN3D)
5360.5 In reply to 5360.4 
On a side note, one can also change the meaningless blank paper sheet icon of MoI's .3dm files using this procedure:
http://support.apple.com/kb/HT2493

I copied the MoI app icon and all .3dm files show the bulb now. Much better!