At 800 x 800 Pixels
The image created for printing on the CafePress.com products is actually,
3000 x 3000 Pixels, resolution - from 200 to 300 DPI (dots per inch), in png format, file size approx. - 4 Mbs.
This gives the finest image quality possible when printing either on large or small items.
The Ship Modeling Forums' - Ships' Store