CNC Cutting for Custom Steel Box

Looking to find a professional who can assist with creating a set of CAD designs suitable for cutting steel components on a CNC machine Aand then for me to weld into a box using a handheld welder. The end goal is to produce a hinged metal box. (and I will use a service like this one to make the parts: [login to view URL] Here is what the project entails: - The overall dimensions of the box are rough, but it's 1x unit wide by 2x unit long by .5x unit high. x=5ft - The types of steel to be used are 1" square tubing with 1/8" wall thickness, 20 Gauge steel, and 16 gauge steel. - for the hinged joints, I am planning to use weld-on hinges, which will be sourced locally by me. The perfect candidate for this role is: - A self-starter with a clear understanding of CAD designs for CNC machine - Experienced in working with steel The 45º corners will be made of 16 guage steel with the 20 gauge flat panels lap welded onto them Please see drawings attached and ask any questions. 1. Please indicate how soon you will have it completed. and total cost. I will require all source files, and I must verify send cut send can read the files before payment will be made. You must verify all of your designs and ensure that it is 100% ready to be manufactured. Please include exploded renderings of the design,, assembled renderings of the design, details about each joint etc. and if possible also include 3d detailed video of the design. The attached photo showing the black metal shows the 45º corner style I want (but note our steel will be flat not NOT diamondplate)