Misplaced Pages

Rabattement (drafting)

Article snapshot taken from Wikipedia with creative commons attribution-sharealike license. Give it a read and then ask your questions in the chat. We can research this topic together.

This is an old revision of this page, as edited by Викидим (talk | contribs) at 23:17, 20 December 2024 (→top: pic). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Revision as of 23:17, 20 December 2024 by Викидим (talk | contribs) (→top: pic)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)
This article is actively undergoing a major edit for a little while. To help avoid edit conflicts, please do not edit this page while this message is displayed.
This page was last edited at 23:17, 20 December 2024 (UTC) (6 days ago) – this estimate is cached, update. Please remove this template if this page hasn't been edited for a significant time. If you are the editor who added this template, please be sure to remove it or replace it with {{Under construction}} between editing sessions.
This article is about 2D layout of a 3D object. For painting composition, see Rabatment of the rectangle.
A development of a Rubik's cube produced by successive rabattements of its faces onto a single plane

Rabattement (also rabatment ) is a rotation of a planar object around a folding line in order to align the object with another plane. Rabattement is used in technical drawings to produce developments (patterns, templates). Term comes from French: rabbatement (an act of lowering), due to the typical alignment plane being the horizontal one ("rabatment in the plan", sometimes, a vertical plane is used, "in elevation").

A rabattement drawing of a splayed arch. B and D are the faces of the wall (plan view), also used as folding lines. A and C are elevations of the arch faces on both sides of the wall

Rabattement was extensively used by stonemasons in the construction drawings, and, together with projection plane, evolved into the method of the descriptive geometry. Descriptive geometry works sometimes use the term "rotation" when discussing moving points and lines, reserving rabattement for shapes and planes, both operations are identical.

The goal of the rabattement operation is to represent the true shape and size of a face of an object (this is often impossible to do with orthographic projection).

References

  1. "rabatment". CollinsDictionary.com. HarperCollins.
  2. ^ Calvo-López 2020, p. 675.
  3. Calvo-López 2020, p. 31.
  4. Calvo-López 2020, p. 449.
  5. Calvo-López 2020, p. 367.
  6. Calvo-López 2020, p. 636.

Sources


Stub icon

This geometry-related article is a stub. You can help Misplaced Pages by expanding it.

Categories: