CAD CAM Product Design - Hand Roller

We would like to invite a coder who is profficient in CAD CAM software and product design t submit a bid. We require an existing hand roller within ou ange to be designed to look more appealing and more ergnomic that it is presently. experience is essential and anyone submitting a bid must supply examples of work i both IGES format and 2D jpg format for proof of experience. further information would also be helpful.