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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.
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. Strainer bar frames are often reinforced with other fixed elements such as corner and cross braces.
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]
Gallery wrap is a very popular way to display art. However, because the edges of the canvas are wrapped over the thick bars, approximately two inches of the image (top, bottom, and sides) are not visible from the front. If the subject of an image or painting is sized and positioned correctly, the image will not be negatively affected.
The tool also comes with a stress relief grip ball, a finger strength grip ring, a hand exerciser, and a finger stretcher, all of which are beneficial for strength and flexibility.
The stretcher bars positioned between the two moving blades keep them the correct distance apart The Health and Safety Executive (HSE) report released in May 2003 found that the points were poorly maintained and that this was the principal cause of the accident. [ 8 ]
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