I need an interactive feature embedded into a website that allows a user to
1. Draw the shape of the room (i.e. number of walls), 3D length, width, height
2. Insert location of doors, windows,radiators
3. Drag & Drop objects from a panel onto the room
4. Depending on the selections from 1,2,3 above, quote a price for the work.
An example of such a design is: [login to view URL]
Although my requirement is much simpler