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  2. Pantograph - Wikipedia

    en.wikipedia.org/wiki/Pantograph

    Drafting pantograph in use Pantograph used for scaling a picture. The red shape is traced and enlarged. Pantograph 3d rendering. A pantograph (from Greek παντ- 'all, every' and γραφ- 'to write', from their original use for copying writing) is a mechanical linkage connected in a manner based on parallelograms so that the movement of one pen, in tracing an image, produces identical ...

  3. Void pantograph - Wikipedia

    en.wikipedia.org/wiki/Void_pantograph

    Void pantographs work by exploiting the limitations and features of copying equipment. A scanner or photocopier will act as a low-pass filter on the original image, blurring edges slightly. It will also not be perfectly aligned with the directions of the document, causing aliasing. Features smaller than the resolution will also not be reproduced.

  4. Longarm quilting - Wikipedia

    en.wikipedia.org/wiki/Longarm_quilting

    Longarm quilting is the process by which a longarm sewing machine is used to sew together a quilt top, quilt batting and quilt backing into a finished quilt.. A complete longarming system typically consists of a sewing machine head, a frame, a table with a layer of plastic (under which is placed a pantograph), and several rollers on which the fabric layers and batting are attached.

  5. Copy-evident document - Wikipedia

    en.wikipedia.org/wiki/Copy-evident_document

    In security printing, various methods such as void pantograph are used to create patterns that are hard to copy exactly and when copied inexactly produces an easily detectable image. This can include halftone screens that are affected by the copying process, fine line patterns in different directions that are differently affected by copying and ...

  6. Microprinting - Wikipedia

    en.wikipedia.org/wiki/Microprinting

    Microprinting is the production of recognizable patterns or characters in a printed medium at a scale that typically requires magnification to read with the naked eye. To the unaided eye, the text may appear as a solid line.

  7. Hand embroidery machine - Wikipedia

    en.wikipedia.org/wiki/Hand_Embroidery_Machine

    The needle's movement between the end points of each stitch is translated from the pattern that's mounted on the easel, to the frame that holds the fabric, with the help of a pantograph. Fig. 4. Pantograph used to transfer the embroidery pattern. Fig. 4 shows a simplified view of the pantograph connected to the movable frame A.

  8. Spirograph - Wikipedia

    en.wikipedia.org/wiki/Spirograph

    Spirograph is a geometric drawing device that produces mathematical roulette curves of the variety technically known as hypotrochoids and epitrochoids.The well-known toy version was developed by British engineer Denys Fisher and first sold in 1965.

  9. Security printing - Wikipedia

    en.wikipedia.org/wiki/Security_printing

    The advantage of a digital press is that in a single pass through the printer a void pantograph with all the variable data can be printed on plain paper. Copy-evident paper, sometimes marketed as ‘security paper’, is pre-printed void pantograph paper that was usually produced on an offset or flexographic press. The quality of the void ...