Hello,
I have gone through your example link and want to make you sure to design and develop a very graceful, professional, customise, responsive and user-friendly WordPress WooCommerce Online Shop with custom Plugin who allows to create custom Posters as p[er your exact business plans.
The Poster will show the Star Constellation of a specific Date and Location (User can put in a Date, Time and Location, past or future).
We will Order it and a picture will be rendered and accessible through the Backend (just for Admins). A preview (low res) will showed to the customer during the ordering process by the Payment Integration (Creditcard, Paypal), Gift-Cards, Preview of the Poster as per your mentioned needs.
We have a specific in-house team of marvellous designers and developers having highly expertise with WordPress, Woocommerce, theme/plugin development, eCommerce, Payment integration, HTML, PHP, Website Design, CMS, etc.
We are also expert with PSD to WordPress, customisation of WP core for the development.
<<We will definitely explain you step by step how we can solve this issue by freelancer chat box because there is a limitation of words to explain everything here in proposal.
<<So, Can we have proper interaction 1-1 by freelancer chat so that we can perfectly explain you according to your exact needs and will build a long term business relationship with you as well.
Looking forward to your response.
Best Regards
Kaushal
Web Expert