septagonal

the puzzle piece was septagonal, fitting neatly into the larger shape.

we studied the septagonal prism in geometry class today.

the floor tile had a unique septagonal design.

the architect incorporated a septagonal window into the building's facade.

the logo featured a stylized septagonal shape.

he drew a regular septagonal polygon on the whiteboard.

the ancient artifact was a septagonal stone carving.

the game involved rolling a die with septagonal faces.

the artist used a septagonal brush to create the abstract painting.

the structure's unusual shape included a prominent septagonal element.

the child's toy was a colorful, septagonal ball.