Cloth Sewing in Blender 2.8 - Marvelous Designer for free?

MartinKlekner writes:

With Marvelous Designer transferring to subscription model, and based on the unhappy comments under my MD tutorials, I decided it might be a good time to have a look at how Blender handles cloth sewing in the latest 2.8 versions. In this tutorial, I share what I found out :-)