Image resolution

Hi there,

I'm using the fancy product designer to design pillows with the fabric the customer selects individually which works fine.

The problem I have is that the picture resolution becomes really bad when saved as pdf/printed by the customer.

The resolution of the single fabric pictures ist selected so it fits on the sample pillow (pretty small).

Is there a way to get a higher resolution/better picture quality for the customer?

Here is a link to the site (test version, not finished yet): http://trueffelchenundco.die-mediengestalterin.de/produkt/test-konfigurator-1/

Thanks a lot in advance for you help!
Stephanie