How to Flip an Object in Blender - Simple Solution - Hum3D Blog
How to Apply Modifiers in Blender? (2 methods)
Mirror Modifier — Blender Manual
Anyone ever been unable to turn off Symmetry Selection? or know how to just select one face without its mirror opposite? Symmetry seems to be off, but it still selects the opposite
Adding a Mirror Modifier - Blender 3D Printing by Example [Book]
Blender modeling for beginners : Mirror & Symmetry - BlenderNation
How to Mirror Objects in Blender To Create a Kaleidoscope Effect - Henry Egloff