Preparing mesh/model in Blender for import into Unity: Optimal settings? Tips? - Unity Forum
8 Tips for Clean Topology in Blender (Updated for 2021) - CG Cookie | Learn Blender, Online Tutorials and Feedback
Cleaning up your mesh properly (quick tips) - BlenderNation
Blender Market on Twitter: "This pack includes 9 the most basic child meshes set and rigged for Blender to help increase your productivity! A good base mesh allows you to save time