Do some 3D Modelling

I already have a 3D model that needs a few minor changes made to it. The product is the Dockem as can be seen here: [login to view URL] Our current mold has run it's course so we have the opportunity to address some issues and make some minor changes as we make a new mold. The changes to be made are as follows: 1. Supports added to the upper arm as shown in the attached image. 2. Switch out the logo for our new (O) logo - file to be provided to winning bidder in whatever format required. 3. Rounding some of the edges to make for slightly more refined, less boxy look (as much as possible without radically changing the design). I've tried to highlight the edges/corners in yellow that I think can be altered in the attached image. This would need to be done on both the right and left brackets. The interior "pocket" should remain as "boxy" as possible. The interior, if possible, should not be changed. The entire model should maintain close to a 2mm thickness. The product is injection molded from ABS plastic. You should bid only if you have experience with 3D modeling, can provide the finished files in .STP, and have experience/a solid understanding of how injection molding works. Also, a solid grasp of the English language is a must. Thanks in advance for your time and bids! Looking forward to working with one of you. Best regards, Chris