a variety of  finishes   on  7M  square  timber  pyramid frame   45 degree  diagonally,   55deg ?   upslope

4M square  wood frame 60  deg, equilateral triangles,  polycarbonate   twinwall  for a  greenhouse 

two type  finish   for a conservatory,

corrugated frc colorcoat  for a room  sized  extension,   over  a   lift shaft  or water tank

lower pitched pyramid frame  for workshop/shed  about 5M square