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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 ...
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.
A Janvier reducing machine. A reducing machine was a type of pantograph lathe used until the 21st century to manufacture coin dies. Prior to the machine's introduction, designs were cut by hand into metal dies by a specialist engraver. The reducing machine changed this by allowing artists to create designs on a larger surface area and then have ...
Schiffli machines were typically powered by an electric motor and were about 20 times faster than a hand machine. Both hand machines and the early schiffli machines used a pantograph to trace the design. Eventually the schiffli pantograph was replaced by Jacquard punch cards and machine embroidery became fully automated. However, hand machines ...
A simple pantograph is used to translate the planar motion of one pen to the other. The pantograph consists of two complete variable parallelograms ("d" and "e" on diagram): Base parallelogram: The base parallelogram is attached to two fixed pivot points at the far side of the base plate.
A schiffli spool on the other hand, could hold more than 500 yards of embroidery thread. The schiffli machine is only limited by the length of thread that can fit on the bobbin. Like the hand embroidery machine, early schiffli machines used a manually operated pantograph to trace a pattern and translate the location of each stitch. Later, a ...
The D-bit (after Friedrich Deckel, [1] the brand of the original manufacturer) grinder is a tool bit grinder designed to produce single-lip cutters for pantograph milling machines. Pantographs are a variety of milling machine used to create cavities for the dies used in the molding process; they are largely obsolete and replaced by CNC ...
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.