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This video includes the modeling of five different collars in Marvelous Designer. Dan Browne, one of my YT subscribers, asked for this quite awhile ago. This one is for you Dan!
This is a Full Class Set, which means that in addition to the video there is a written step-by-step post for you to follow and complete garment files.
The post is at: http://www.fearlessmakers.com/marvelous-designer-collars/
The garment files are at: http://www.fearlessmakers.com/product/marvelous-designer-collars/