Tim Titus asked me if I could do some tutorials on some of the shapes I have been making. He asked this on Torus Möbius and as this is one of the more simple ones I have done (it only as 5 sketches and 4 features) I thought this would be a good one to start with. If there are any other models you would like to see a tutorial for let me know here or drop me a private message. I made this using SolidWorks 2012 but I think most parametric modelers can do this in the same way.
Here are the steps I did to make this model.
Start by opening a new sketch. I made my part in mm,
As the name suggests, this shape is just a torus cut in half with a möbius (still a single solid body)
It can be helpful to rename your sketches and features to make them easier to select down the line. If you do not know how to do this look here;
Answered with a tutorial: https://grabcad.com/tutorials/tutorial-torus-mobius