File:3 views of Platonic octahedron and 1 of its 4 regular hexagonal cross sections.svg
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Captions
Captions
Front, profile and top views of a Platonic octahedron. Its edges are the sides of three squares of different colors. The horizontal equatorial section reproduces on a scale of √3 to 2 the regular hexagonal outline of the solid in the top view.
Summary
edit| Description |
English:
Manual work at school Built at school in paper or bristol board Constructed from a cube, as intersection of two regular tetrahedra Image of this page Projected onto three planes pairwise perpendicular, a regular octahedron. Its edges: the sides of three concentric squares of same size, sharing pairwise opposite vertices. Two triangular faces are horizontal. The midpoints of the six slanted edges are the vertices of the horizontal equatorial cross section, which is a regular hexagon like the outline of the octahedron in the top view. Français : Travail manuel scolaire Construit à l’école en papier ou en bristol Construit à partir d’un cube, en intersection de deux tétraèdres réguliers Image de cette page Projeté sur trois plans deux à deux perpendiculaires, un octaèdre régulier. Ses arêtes : les côtés de trois carrés concentriques de même taille, partageant deux à deux des sommets opposés. Deux faces triangulaires sont horizontales. Les milieux des six arêtes obliques sont les sommets de la section équatoriale horizontale, qui est un hexagone régulier comme le contour de l’octaèdre vu de dessus. |
| Date | |
| Source | Own work |
| Author | Arthur Baelde |
| SVG development |  This /Baelde was created with a text editor. |
Licensing
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Arthur Baelde, the copyright holder of this work, hereby publishes it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
Attribution: Arthur Baelde
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- to share – to copy, distribute and transmit the work
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- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:48, 22 October 2023 | | 715 × 660 (5 KB) | Arthur Baelde (talk | contribs) | Uploaded own work with UploadWizard |
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