If you are looking for red and blue 3D glasses or are interested in getting into stereo photography or perhaps 3D illustrations, 3DStereo.com has much to offer in the area of 3D supplies. They have a large selection of ViewMaster sets and viewers – new and vintage. They have several different 3D stereo cameras from a lower priced Loreo to a high end 3DWorld medium format camera. They carry many 3D viewers and glasses for viewing stereo photographs as well as antique replica viewers.
You should also browse their large catalog of 3D books where you can learn stereophotography or simply view 3D photos, comics and illustrations. You can purchase computer software that allows you to view, create and manipulate stereographic images. Do you see a pattern emerging? Whatever 3D supplies you might need, you should have no problem finding them here.