Product Customizer for Zencart

Hello, I am looking to have a module/plugin created for my ZENCART website, where the customer can personalize a invitation template with their names, date of party, address etc in a type of online designer then they can choose how many invites they want and other options, then they can buy their customised invitation I want something very similar to this [login to view URL] then click on "PERSONALISE PRODUCT" it will load a designer -Customer chooses a premade invitation template which i can upload to my website i need to have some kind of backend/admin side where i can upload the templates and add customizable fields -i need to be able to enter the fields they can modify eg names, party date etc and choose where they are placed on the template Some templates customer can choose to upload a photo but some they CANNOT, i need to be able to add that option IF i want only on certain designs -SOME fields need to be on an angle not straight like this example of juilette and fynn names [login to view URL] -customer can change font colours (only from preset color palette) - I need to be able to upload fonts they can choose from -Some of the template designs have fronts and backs, some only have fronts I need to be able to add backs to the design if i want. -for SOME designs the customer can download and print at home for free but they can buy printed copies from me if they choose * I need to be able to add the option of free download ONLY on CERTAIN designs Download will be in a pdf format in a normal quality Please see attached files (they can choose from 2 per page or 4 per page) also see [login to view URL] if you click "download" button you will see how it works referring to this page - [login to view URL] I need to be able to add or remove certain options/attributes as every design is different before the add to cart button, there needs to be tick box options for the customer to approve their order as per the page above, (after you personalise the design you will see this will appear) -------------------- -Please check the following approval checkboxes and then click on the Add To Cart button. o All of my text is entered correctly o All dates and times are correct o All of my photo(s) are positioned correctly ------------------ there needs to be an error that appears if the customer does not tick all of the approval boxes (this also needs to show on the order once they place it) after customer has purchased i need to be able to see all of the options, customised fields and the design the customer has selected so i can make the order. the design on MY end needs to be saved in a HIGH QUALITY PDF file that is good enough for quality printing please try out the "add to cart" function on the page [login to view URL] so you can see how it works, i want it very similar to that. the design the customer sees should NOT be high quality (so they do not steal the design) Please look at the creteadesign website carefully, I want something very similar to that Please only apply if you have good experience with Zencart the module must work with the zencart shopping cart i need to be able to install this on my EXISTING zencart website - must be responsive - meaning it can adjust to mobile screens correctly -must NOT be flash