The process:
1) creating the first sample of the sewing pattern for virtual try on to show how the outershell will look on the avatar;
2) 3d try on;
3) updating and finishing the sewing patterns - the basic size;
4) creating the tech pack;
5) updatind patterns after sewing the first physical sample;
6) updating 3d visualization of outershell;
7) creating other color variation of this jacket.
After all these steps, the customer successfully sells the jacket in his store:
https://onduty.ca/collections/duty-apparel/products/coming-soon-duty-jacket