How to change default profile extrusion length for optimization
Create or open the project and go to Output > Order list
In Output option windows click Optimization settings
Check Manipulate optimization
Confirm OK, then Click OK on Output options window.
Since now, always when you will prepare Order list, you will see form to edit optimization values, including bar lengths. Change value in Fixed length column to desired:
Confirm OK
On Order list printout you will see profile bars optimized to new defined extrusion length.
Warning: All other profiles, which are rolled together with profile that length has been newly defined, will have same optimization lengths.