All objects are added to the groups that have the same name as the file. Models are located in the centre coordinates and having real dimensions in the metric system. In the centre of object located empty parent object named toaster_parent. To link this model into your scene press Shift+F1 -> select group named toaster_classic (toaster_hi-teck or toaster_retro). After that select an empty object toaster_parent and you can grab or rotate the model.

Base part's of the models have a Subsurf modifier, you can add or reduce the level of detail. Subsurf modifier - ON (prev. level - 2, render level - 3):

1. toaster_classic.blend ~ 40 000 faces
2. toaster_hi-teck.blend ~ 17 000 faces
3. toaster_retro.blend ~ 33 000 faces

Textures in .png format with alpha channel.