Intro into digital embroidery
Embroidery works to keep the edges of the fabric in tact around areas such as the lacing holes, this can also be used to outline the tongue as well as any other details.
Intro into 3D printing onto fabrics
3D printing works in the same way as embroidery to keep the lace hole clean but it works to link the upper with the sole. It connects the modern technology between the fabric and the foam.