Would anyone be interested in asking a few of my questions about 3d printing

Would anyone be interested in asking a few of my questions about 3d printing and STL?

Just ask.

How does 1 go about creating STL? What is material shrinks the least?

@Austin_Russo 1 creates a .stl with a cad program, such as solidworks, sketchup, blender, rhino, etc.
Shrinkage is not a problem.