Teach Me How to Design Something for a 3D Printer

Closed - This job posting has been filled and work has been completed.
Hourly Job
Part Time
1 to 3 months

Details

Hello, I have a Makerbot store near by office in New York City.  I am very interested in learning how to do 3-D printing.  I am looking for someone to do the following:

- Teach me which software to use to design 3D models.  Sketchup?  AutoCAD?  What's the difference and pros/cons with each of these programs, and are they all compatible with all the various 3D printers?
- Teach me how to design the 3D model in the program.  I would like to design a case for an iPad Mini.
- Show me how to send the item to Makerbot to have it printed.

I'm looking forward to hearing from you!