In this step-by-step tutorial, I demonstrate my approach to sub-d modeling a barrel bolt. Join my Patreon to download the work files and ask questions: https://www.patreon.com/3DModelingWithJohnDickinson
PolyQuilt Add-On (Free) https://github.com/sakana3/PolyQuilt
Forgotten Tools Add-On (Free) https://blenderartists.org/t/forgotten-tools/1192882
Edge Flow Add-On (Free) https://github.com/BenjaminSauder/EdgeFlow
Machin3Tools Add-On (Free) https://blendermarket.com/products/MACHIN3tools