This video is an introduction to the pattern design software from knitCompanion - PatternGenius!
To give PatternGenius a try, just search for it in the Apple app store.
You can see the whole knitCompanion playlist here:
https://www.youtube.com/playlist?list=PLUv37jBrlCtK_W65fJKr3PNkLcUv-SiLs
The scarf on the mannequin is Mentolat (not my design, free pattern on Ravelry) using Kramer Perfection DK yarns.