https://www.youtube.com/watch?v=aTDF94CU5wc --- set up for hard surface modeling LoopTools, TinyCAD and 3D Print Toolbox are packaged with Blender.
Hardops 00984: Thulium https://blendermarket.com/products/hardopsofficial
BoxCutter https://blendermarket.com/products/boxcutter
Machin3Tools