At one point the two works' circular forms are superimposed.
The emblem has a circular form which mostly bears the color blue.
The building has a circular form, with a diameter of 112.5 metres.
The piece, although well cut in a circular form, does not bear any symbol.
In these early days, the circular form was not to be taken for granted.
Over time the bezel moved towards a more circular form.
An apparently artificial mound of nearly a circular form, and level on the top.
"Green Runabout" is dominated by a large circular form near the center.
The circular form indicated to the farmer that it had been caused by the devil.
From about 1848 a circular form of the buddle was introduced.