how to convert .jpeg file into .stl file?

I have purchased a 3 D Printer,now i am facing the problem because all the product that we are getting is not in a .stl format hence having in .jpeg format i need to work on how to convert it into .stl
2 Answers

The easiest way to do this is using www.selva3d.com
It's very intuitive and straightforward. It does just that. I love it!