Convert cs-cart 2 addon to cs-cart 3

Need a free cs-cart v2 module converted to cs-cart 3. The module I need converted presents product options in a grid on the product page so you can bulk add different combinations of product options (e.g. size and colour) to the cart at the same time (e.g. Tshirts 3xred-XL, 2xblue-S etc). The link to the module is here: [login to view URL] Should be an easy module to convert to an experienced cs-cart 3 coder. Requirements: - Must work with cs-cart 3 and the default cs-cart 3 template - Must have same functionality as the cs-cart v2 module, including the admin interface and respecting quantity discounts - No encrypting of components as the original free module was not encrypted - Accept payment by escrow