Hello Sir,
What we understood after reviewing your requirement that you need a online store capable of customize products and can print.
1) We will create this kind of online store by using worpress+pitchprint+woocommerce.
Below is the requirements.
Minimum Requirements
WordPress 3.8 or greater
PHP version 5.2.4 or greater
MySQL version 5.0 or greater
WooCommerce 2.1.*
We can deliver you 100 % bug free websites.
3 months free service after complete job
Escrow need, release in 2 phases.
Looking for a quick chat.
Thanks,
Webtechno09