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An astragal is molding profile composed of a half round surface surrounded by two flat planes (fillets). An astragal is sometimes referred to as a miniature torus. It can be an architectural element used at the top or base of a column, but is also employed as a framing device on furniture and woodwork.

Double Twist on an Astragal

An astragal is molding profile composed of a half round surface surrounded by two flat planes (fillets).…