Blender is not a parametric modeler, so much as to say that object shapes are defined and placed in a modifier stack that can then later be changed.

Complete Beginners Guide to Blender 2.8

• Learn Low Poly Modeling in Blender 2.9 / 2.8
  • full introduction and technics from a master.
• The interface
  • editor mode
    • loop cut
    • extrude
    • inset
• Managing Hotkey
  • adding a hotkey
  • managing conflict

Advanced

• Parametric-like beveled edges