Last summer @OutflankNL created a custom version of the CVE-2021-1675 / CVE-2021-34527 exploit based on the original code created by Zhiniang Peng (@edwardzpeng) & Xuefeng Li (@lxf02942370). This version has some advantages so check it out.
github URL: https://github.com/outflanknl/PrintNightmare