The Mirror modifier in 2.8x, what has changed? In Blender 2.8x, mirroring got a few game-changing features, let’s have a look.
2.8 HSM Update Youtube playlist
Hard-surface modeling on BlenderMarket (2.79 full course and 2.80+ update)
Hard-surface modeling on Gumroad (2.79 full course and 2.80+ update)