I suggest doing this using the MultiStyle function so setting Part Markers to make Style changes. This method may be more suitable to the BIAB algorithm. Start with a 4/4 and change to 3/4 with Part Markers.


BIAB 2025:RB 2025, Latest builds: Dell Optiplex 7040 Desktop; Windows-10-64 bit, Intel Core i7-6700 3.4GHz CPU and 16 GB Ram Memory.