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  2. Laser engraving - Wikipedia

    en.wikipedia.org/wiki/Laser_engraving

    The machines for laser engraving and laser marking are the same, so the two terms are sometimes confused by those without relevant expertise. The impact of laser marking has been more pronounced for specially designed "laserable" materials and also for some paints. These include laser-sensitive polymers and novel metal alloys. [2]

  3. Bretonstone - Wikipedia

    en.wikipedia.org/wiki/Bretonstone

    Bretonstone, also known as vibro-compression under vacuum, is a formerly-patented technology [2] [3] invented in the early-1970s [citation needed] by Breton S.p.A. [4]Nowadays most manufacturers of engineered stone use similar technology, typically involving quartz and a resin binder combined under vacuum, and compressed under heat into a desired form such as a countertop slab.

  4. Engraving - Wikipedia

    en.wikipedia.org/wiki/Engraving

    Other terms often used for printed engravings are copper engraving, copper-plate engraving or line engraving. Steel engraving is the same technique, on steel or steel-faced plates, and was mostly used for banknotes, illustrations for books, magazines and reproductive prints, letterheads and similar uses from about 1790 to the early 20th century, when the technique became less popular, except ...

  5. Bubblegram - Wikipedia

    en.wikipedia.org/wiki/Bubblegram

    A laser glass sculpture of a caffeine molecule. A bubblegram (also known as laser crystal, Subsurface Laser Engraving, 3D crystal engraving or vitrography) is a solid block of glass or transparent plastic that has been exposed to laser beams to generate three-dimensional designs inside.

  6. Stone carving - Wikipedia

    en.wikipedia.org/wiki/Stone_carving

    Stone carver carving stone, at the Cathedral of Saint John the Divine, New York, 1909. The Kilmartin Stones in Scotland - a collection of ancient stone carved graveslabs Khazneh structure carved into a cliff in Petra southern Jordan. Stone carving is an activity where pieces of rough natural stone are shaped by

  7. Tumble finishing - Wikipedia

    en.wikipedia.org/wiki/Tumble_finishing

    The idea behind the first step is to take rough rock or stone and grind it (tumble it) down into a form which is indistinguishable (in shape) from the final product. [3] This is followed by washing and then a stage of finer grits (120-220 then 400-600 mesh), before the (optional) use of a pre-polishing compound (1200 grit), a washing cycle with ...

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