These are two potential treatment principles according to the conveniences and habits of each one, as a heel skive. You will find also a relation between the torsion grade and the height in millimetres depending on the prone-supination element chosen.  

The anterior limit of the insole is defined in post-production in the lab. You can ask to have the insole cut in 3/4 or 2/3 according to your preferences.   For it, you only have to add the remark in the designing file of the software. 

It can be chosen if a milling is done and an external heel rise can be added.   However, is possible modify the anterior and posterior limit where we want to place the heel rise.  

Two possible ways:   In the tab ‘’modify the arch height’’  In the tab ‘’adjust cutting line’’