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Stretcher bars are also used in picture framing when framers are framing things like sport shirts etc. Stretcher bars are used extensively in theatrical productions for framing material backdrops. When a photographer takes a picture then digitally transfers this onto a canvas via inkjet printing, he then stretches this over a stretcher frame.
Most stretcher frames have eight keys, two in each corner. [1] Each key is tapped in to expand the stretcher bars slightly, tensioning the canvas. [1] [2] The keys can be used to re-tighten the canvas as it relaxes naturally over time. [5] If the key is tapped too forcefully, it may tear the side of the canvas. [4]
Needlepoint is a type of canvas work, a form of embroidery in which yarn is stitched through a stiff open weave canvas. Traditionally needlepoint designs completely ...
Strainer bar frames are usually in the shape of a rectangle, although shaped canvases are also possible. [1] A stretcher frame constructed from strainer bars should not be confused with one constructed from stretcher bars. Strainer bars are fixed to one another with wood glue, nails or staples, often in conjunction.
The frequencies of their fundamental and harmonic vibrations are subject to the same inharmonicity as strings. However, because of the comparative thickness of the bars that terminate the tines in an electric piano, the larger (and stronger) vibrations tend to "see" termination points slightly deeper in the bar than do smaller, weaker vibrations.
Canvas on stretcher bar. Canvas has become the most common support medium for oil painting, replacing wooden panels. It was used from the 14th century in Italy, but only rarely. One of the earliest surviving oils on canvas is a French Madonna with angels from around 1410 in the Gemäldegalerie, Berlin.
The bolts that held the stretcher bars that maintain the distance between the two point blades had come loose or gone missing, causing the point blades to move apart when the train passed over them. The points had been fully inspected on 1 May by a team working for the private railway maintenance firm Jarvis plc and there had been a further ...
It is also known as needlepoint stitch and is one of the most basic and versatile stitches used in needlepoint and other canvas work embroidery. When worked on fine weave canvas over a single warp and weft thread it is known as petit point in contrast to stitches, such as Gobelin , worked over multiple warp and/or weft threads.
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