One difference between laparoscopic cholecistectomy and writing code seems to be that nobody expects to get free laparoscopic cholecistectomies on a forum.
Ricardo, this is an experimenter's forum, and you are likely to get the best help if you show up as a willing experimenter who is trying things and needs help because of a specific problem.
The project you have posed is a simple one, simple enough that it comes across that you haven't tried moving the motor around yourself with code. (I apologize if this impression is incorrect.) Once you do, you'll probably realize how straightforward your problem is, counting off steps to a target, and have three variations coded in an afternoon.
The best way to get started with a project like this is to find some example code for your stepper motor driver and play with it for a couple hours. Understand the code, tweak it a bit, watch the motor move around, and come back with questions and you'll find lots of people willing to help.
So, welcome aboard, go find some code and hack it up until you're stuck, and come back with questions and you'll get much less grumpy answers.
Good luck with your project,