The 3D cardigan including Konglelua pattern, rib pattern and Sleeve pattern. I advise you to learn these stitches before starting the project.

Knit
Purl
Yarn over (increase 1)
Knit 3 together (decrease 2)
Knit 2 together (decrease 1)
Slip slip Knit (decrease 1)
Slip 3 knitwise with yarn in back
Slip 3 purlwise with yarn in front
Knit front and back increase 1 sts.