Gallery of the "Variations of a Circle" series.
(Click thumbs to enlarge)

"Relief of Circles" "Following
the Wood"
"Architectural
Circle"
"Black Winged Circle" "Double
Circle"
"High-Tech
Circle"
"White Winged Circle" "Circle within
Circle"
"Vertical Winged
Circle"

"Winged Circle"

"Ornamental Circle"

"Triple Circle"

"The Blue Rim" "Black & White Circles"  "Circle Totem"

 "Black square & White circles" 

"The Yellow Circle" 

"The Blue Line" 

 "One and a Half Circles"

"Square to Circle"

"Wavy Circle"