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  2. Roof tiles - Wikipedia

    en.wikipedia.org/wiki/Roof_tiles

    Roof tiles are overlapping tiles designed mainly to keep out precipitation such as rain or snow, and are traditionally made from locally available materials such as clay or slate. Later tiles have been made from materials such as concrete , glass , and plastic .

  3. Tessellation - Wikipedia

    en.wikipedia.org/wiki/Tessellation

    Tessellated designs often appear on textiles, whether woven, stitched in, or printed. Tessellation patterns have been used to design interlocking motifs of patch shapes in quilts. [75] [76] Tessellations are also a main genre in origami (paper folding), where pleats are used to connect molecules, such as twist folds, together in a repeating ...

  4. Mathematical tile - Wikipedia

    en.wikipedia.org/wiki/Mathematical_tile

    The tiles were laid in a partly overlapping pattern, akin to roof shingles. Their lower section—the part intended to be visible when the tiling was complete—was thicker; the upper section would slide under the overlapping tile above and would therefore be hidden. In the top corner was a hole for a nail to be inserted.

  5. Glossary of architecture - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_architecture

    A chamber or stage in a tower where bells are hung. The term is also used to describe the manner in which bricks are laid in a wall so that they interlock. Bench table A stone seat which runs round the walls of large churches, and sometimes round the piers; it very generally is placed in the porches. Bond Brickwork with overlapping bricks.

  6. Overlapping circles grid - Wikipedia

    en.wikipedia.org/wiki/Overlapping_circles_grid

    An overlapping circles grid is a geometric pattern of repeating, overlapping circles of an equal radius in two-dimensional space. Commonly, designs are based on circles centered on triangles (with the simple, two circle form named vesica piscis ) or on the square lattice pattern of points.

  7. Interlocking - Wikipedia

    en.wikipedia.org/wiki/Interlocking

    An interlocking system is designed so that it is impossible to display a signal to proceed unless the route to be used is proven safe. Interlocking is a safety measure designed to prevent signals and points/switches from being changed in an improper sequence. For example, interlocking would prevent a signal from being changed to indicate a ...

  8. Interlocking spur - Wikipedia

    en.wikipedia.org/wiki/Interlocking_spur

    Interlocking spurs at Ashes Hollow, tributary to the River Severn Interlocking spurs looking up Oxendale Beck, tributary to the River Brathay in Lake District, Cumbria. An interlocking spur, also known as an overlapping spur, is one of any number of projecting ridges that extend alternately from the opposite sides of the wall of a young, V-shaped valley down which a river with a winding course ...

  9. List of architectural vaults - Wikipedia

    en.wikipedia.org/wiki/List_of_architectural_vaults

    U.S.-patented (1885) system using interlocking terracotta tiles and layers of mortar in a thin skin, with the tiles following the curve of the roof as opposed to horizontal , or perpendicular to the curve (Roman).