3D Pixi Viewer Hands-Free Parallel Viewer for computer monitor. The Pixi 3D Viewer is a side-by-side, parallel viewing 3D image viewer. It is primarily a Computer Monitor Viewer for medium sized images. Inexpensive, lightweight, foldable and mailable, it folds flat to the thickness of its lenses (5 mm). It is suitable for viewing 10 - 13 inch (25 - 33 cm) wide screen images. Equivalent to 15 - 17 inch computer monitors. Loreo Pixi 3D Viewer is made from plastic coated cardboard with the inside surface printed black to create the dark viewing chamber. The Pixi-Viewer has been the larger, younger brother of the Loreo-Lite parallel viewer sans the ear straps and slightly smaller. It will remain to be the alternative to inexpensive side-by-side parallel viewing for prints and the computer.