[TheForge] RE: Lamp shade

[Chris Kilpatrick]

   Hi Folks,
   After  a little thought, I came up with this: at 90* the angle is 90*,
   at 180* the angle is 180* for the corner angle of a trucasted pyramid.
   Could  the  angle  at  which  the two sides meet be equal to the angle
   between the corner edge and the base (expressed as an angle > 90*)?
   -Chris K.
   It is I who formed the blacksmith,
   who fans the flame into a fire and
   fashions a weapon fit for it's work.