Shower Doors or a better way to create/mod a shower door with something like cabinet attributes.  A real pain to design since all my bathroom projects are different.  Have a folder of many that I have created, but still even have to modify to some degree based on layout/size and it is cumbersome.  I have created an extensive kohler library separated by collection over the years.  If I know how to take it and add it here for use, I would. 
  
Also would like to see Delta, Moen, Am Standard, etc.  Not a whole lot to even import with those mfg's. 
  
Appliances like GE, Wpool, KA, etc.  Progress lighting, Kichler, Maxim, Hampton Bay, Seagull.  Amerock, Belwith Keeler.