I am very new to Solidworks, and am using the Maker version. I'm using the Tutorials to learn how to use it. My background is Intergraph's Microstation, Sketchup, a little AutoCAD and NavisWorks.

I am getting to the point where I can model some simple parts, make an assembly, and create a drawing. When I come back to modify my model, though, I run into problems.

Searching the HELP files, I find guidance