Enhance an existing WebGl Product configurator

Looking for a skilled WebGL and JavaScript developer who can enhance a product configuration tool. At the moment the product configurator designs shelves and send the configuration as an attached HTML File to the customers given e-mailaddress, that mus be changed into a PDF format attachment. The existing configurator needs to have a history go back button and graphical adjustment. Also at the Moment the 2D design area is expanding or shrinking when the measurements gets changed by the user. This must be changed into a fix design area. The Changed measurements should only be shown in the 3D canvas. Also the 3D canvas must become a fixed width and height. As soon the Measurements of a product is more then the fixed width or height can display at once, the 3D model must be zoomed out and fit the canvas. A detailed project meeting can be planned via (Removed by Freelancer.com Admin) and is absolutely necessary. 1. Change HTML attachement int PDF format 2. Enlarge measurement input field within the 2D area and add a +- icon. At the moment it is not very clear thet the measurement can be changed directly in the 2D area 3. Bugfix the Position of Shelf wood multiple boards 4. Add history go back function 5. 2D and 3D Area must become fixed width and Height like the Specification will show 6. Adjust the size of 3D model to fit into the 3D canvas Questions: Is it possible to create a Parts List of the 3D Model Can it be done to selct a Woden Board within the 3D Model and delete it Is it possible to let the user choose different adons from a list, like lets say "I want that my shelf gots 4 Legs in a specific height" Is it possible that the user can add drawer or doors.