3D Reader can give you a different reading experience, 3d book model can load pdf files. You can adjust the size and angle of the model to achieve the desired effect. You can also choose a 2d effect to preview the pdf file.
Up Arrow & Down Arrow - Adjust book angle
Left Arrow & Right Arrow - Page turning
Esc - Exit preview
Pinch gesture (trackpad only) to zoom-in / zoom-out the book