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2 1/2D

Index 2 1/2D

2 1/2D is a conventional way of describing a process for obtaining an object where the third dimension is somehow dependent from the transversal cross-section of the same. [1]

11 relations: Casting, Convention (norm), Cross section (geometry), Extrusion, Forging, Horizon, Infinity, Injection moulding, Microextrusion, Plastics extrusion, Three-dimensional space.


Casting is a manufacturing process in which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then allowed to solidify.

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Convention (norm)

A convention is a set of agreed, stipulated, or generally accepted standards, norms, social norms, or criteria, often taking the form of a custom.

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Cross section (geometry)

In geometry and science, a cross section is the non-empty intersection of a solid body in three-dimensional space with a plane, or the analog in higher-dimensional spaces.

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Extrusion is a process used to create objects of a fixed cross-sectional profile.

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Forging is a manufacturing process involving the shaping of metal using localized compressive forces.

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The horizon or skyline is the apparent line that separates earth from sky, the line that divides all visible directions into two categories: those that intersect the Earth's surface, and those that do not.

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Infinity (symbol) is a concept describing something without any bound or larger than any natural number.

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Injection moulding

Injection moulding (British English) or injection molding (American English) is a manufacturing process for producing parts by injecting molten material into a mould.

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Microextrusion is a microforming extrusion process performed at the submillimeter range.

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Plastics extrusion

Plastics extrusion is a high-volume manufacturing process in which raw plastic is melted and formed into a continuous profile.

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Three-dimensional space

Three-dimensional space (also: 3-space or, rarely, tri-dimensional space) is a geometric setting in which three values (called parameters) are required to determine the position of an element (i.e., point).

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[1] https://en.wikipedia.org/wiki/2_1/2D

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