title: Heptagrammic cupola
text: # Heptagrammic cupola
  
  In geometry, the heptagrammic cupola is a star-cupola made from a heptagram, {7/3} and parallel tetradecagram, {14/3}, connected by 7 mutually intersecting equilateral triangles and squares.
  
  ## Related polyhedra
  
  Family of star-cupolaevte :
  
  | n / d | 4 | 5 | 7 | 8 |
  | - | - | - | - | - |
  | 3 | {4/3} | {5/3} | {7/3} | {8/3} |
  | 5 | — | — | {7/5} | {8/5} |
  
  ### Crossed heptagrammic cupola
  
  The crossed heptagrammic cupola is a star-cupola made from a heptagram, {7/5} and parallel tetradecagram, {14/5}, connected by 7 mutually intersecting equilateral triangles and squares.
  
  