org/lightning.sty

   1 \usepackage{tikz}
   2
   3 \newcommand*{\Lightning}[1][]{%
   4   \tikz[
   5     x=.55 * height("H"),  % symbol width
   6     y=height("H"),  % symbol height
   7     baseline=(current bounding box.south),
   8     line width=.02 * height("H"),
   9     line join=bevel,
  10   ]
  11   \filldraw[{#1}]
  12     (-.5, -.5) -- (.4, -.03) -- (-.1, .06) --
  13     (.5, .5) -- (-.4, .03) -- (.1, -.06) --
  14     cycle
  15     % side bearings
  16     (-.5 - .08, 0)
  17     (.5 + .08, 0)
  18   ;%
  19 }