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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).…

Description of the parts of a flower.

Parts of a Flower

Description of the parts of a flower.

"Griffe from Vézelay. GRIFFE. In medieval architecture, from the eleventh to the fifteenth century, an ornament on the bases of pillars, connecting the torus with each angle of the plinth." -Whitney, 1911

Griffe

"Griffe from Vézelay. GRIFFE. In medieval architecture, from the eleventh to the fifteenth century,…

"Griffe from Poissy; end of 12th century. GRIFFE. In medieval architecture, from the eleventh to the fifteenth century, an ornament on the bases of pillars, connecting the torus with each angle of the plinth." -Whitney, 1911

Griffe

"Griffe from Poissy; end of 12th century. GRIFFE. In medieval architecture, from the eleventh to the…

The base of the column, torus, displays a concave molding called a scotia. This type of base was not present in the Greek Doric architecture, but are present throughout Ionic and Corinthian columns. The column is fluted. The Erechtheum, or Erechtheion is an ancient Greek temple on the north side of the Acropolis in Athens, Greece. a. sotia.

The Base of an Ionic Column at the Erechtheum

The base of the column, torus, displays a concave molding called a scotia. This type of base was not…

"Different stages in the development of a bordered pit. b, The original, thin, primary wall; a, the overhanging border formed as the wall thickened. B, Thickening of the wall has continued and extended the border; the primary wall has thickened at c, forming the torus. C, the border and the torus are finished." -Stevens, 1916

Pit Development

"Different stages in the development of a bordered pit. b, The original, thin, primary wall; a, the…

"Spira, the base of a column. in the Tuscan and the Roman Doric the base consisted of a single torus, sometimes surmounted by an astragal. In the Ionic and Attic it commonly consisted of two tori, divided by a scotia, and in the Corinthian of two tori divided by two scotiae. The upper torus was often fluted, and surmounted by an astragal, as in the left-hand figure of the following wood-cut, which shows the form of the base in the Ionic or Attic temple of Panops on the Ilissus. The right-hand figure in the same wood-cut shows the corresponding part in the temple of Minerva Polias at Athens. In this the upper torus is wrought with a platted ornament, perhaps designed to represent a robe or cable." — Smith, 1873

Spira

"Spira, the base of a column. in the Tuscan and the Roman Doric the base consisted of a single torus,…

"3. perpendicular section of a flower of Fragaria indica (Duchesnea indica); 4. the same section of its half ripe fruit, showing the torus covered with carpels; 5. a single carpel of it; 6. one of its achaenia cut open to show the seed inside." -Lindley, 1853

Mock Strawberry

"3. perpendicular section of a flower of Fragaria indica (Duchesnea indica); 4. the same section of…

A roman moulding, called a <em>Torus.</em> It is composed of a semicircle and a fillet. The smicircle projects from the fillet an amount equal to its radius. The concave addition above the fillet and the projection below the half round shows a combination of mouldings used in the base of a <em>Doric Column</em>.

Torus

A roman moulding, called a Torus. It is composed of a semicircle and a fillet. The smicircle…

The antique enrichment torus moulding is a bundle of round rods with ribbons twisted in a plaited or net work.

Antique Enrichment Torus Moulding

The antique enrichment torus moulding is a bundle of round rods with ribbons twisted in a plaited or…

The antique enrichment torus moulding is a bundle of round rods with ribbons twisted in a plaited or net work.

Antique Enrichment Torus Moulding

The antique enrichment torus moulding is a bundle of round rods with ribbons twisted in a plaited or…

The antique enrichment torus moulding is a rod that is covered with foliage of laurel and oak.

Antique Enrichment Torus Moulding

The antique enrichment torus moulding is a rod that is covered with foliage of laurel and oak.

The antique enrichment torus moulding is a rod that is covered with foliage of laurel and oak.

Antique Enrichment Torus Moulding

The antique enrichment torus moulding is a rod that is covered with foliage of laurel and oak.

The Louvre Torus Moulding is a French Renaissance design of foliage. It is found in the Louvre museum in Paris, France.

Louvre Torus Moulding

The Louvre Torus Moulding is a French Renaissance design of foliage. It is found in the Louvre museum…

The Louvre Torus Moulding is a French Renaissance design of foliage. It is found in the Louvre museum in Paris, France.

Louvre Torus Moulding

The Louvre Torus Moulding is a French Renaissance design of foliage. It is found in the Louvre museum…

The Louvre Torus Moulding is a French Renaissance design of foliage. It is found in the Louvre museum in Paris, France.

Louvre Torus Moulding

The Louvre Torus Moulding is a French Renaissance design of foliage. It is found in the Louvre museum…

The medieval enrichment torus moulding are ribbons the are twisted into net work.

Medieval Enrichment Torus Moulding

The medieval enrichment torus moulding are ribbons the are twisted into net work.

The medieval enrichment torus moulding is a 13th century decoration found in an archivolt (underside of arch) in Gelnhausen, Germany..

Medieval Enrichment Torus Moulding

The medieval enrichment torus moulding is a 13th century decoration found in an archivolt (underside…

The modern enrichment torus moulding is a bundle of round rods with ribbons twisted around. These designs were typically found on bases of columns and pilasters.

Modern Enrichment Torus Moulding

The modern enrichment torus moulding is a bundle of round rods with ribbons twisted around. These designs…

The modern enrichment torus moulding is a bundle of round rods with ribbons twisted around. These designs were typically found on bases of columns and pilasters.

Modern Enrichment Torus Moulding

The modern enrichment torus moulding is a bundle of round rods with ribbons twisted around. These designs…

The temple of Jupiter torus moulding is found in Rome, Italy. It is a design of a rod that is covered with foliage.

Temple of Jupiter Torus Moulding

The temple of Jupiter torus moulding is found in Rome, Italy. It is a design of a rod that is covered…