• get reference image background, N key to display menu, select file in the Background Images check box. Note, reference image only shows in orthogonal camera, not perspective camera (blender 2.76)
  • Tools menu, T key
  • Select/De-select, B/A key. Note, C key is the circle select key.
  • Subdivide, W key>subdivide
  • Pan, Shift+MMB
  • wireframe mode, Z key
  • render texture, Alt+Z key
  • Rotate, MMB
  • Center an object, Alt+G in object mode