<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.3//EN" "https://www.web3d.org/specifications/x3d-3.3.dtd">
<X3D profile='Interchange' version='3.3 xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation =' https://www.web3d.org/specifications/x3d-3.3.xsd '>
<head>
<meta name='titlecontent='Tetrahedron.x3d'/>
<meta name='descriptioncontent='Tetrahedron is an 8-sided pyramidal polyhedron with 4 vertices, 4 triangular faces and 6 edges. A regular tetrahedron contains equilateral triangles and is a Platonic solid. Tetrahedron is the simplest of all the ordinary convex polyhedra and the only one that has fewer than 5 faces. Tetrahedron is also known as a triangular pyramid.'/>
<meta name='createdcontent='27 September 2014'/>
<meta name='modifiedcontent='20 October 2019'/>
<meta name='creatorcontent='Don Brutzman'/>
<meta name='referencecontent='Tetrahedron.ply'/>
<meta name='referencecontent=' https://en.wikipedia.org/wiki/Tetrahedron '/>
<meta name='referencecontent=' https://en.wiktionary.org/wiki/tetrahedron '/>
<meta name='referencecontent=' https://en.wikipedia.org/wiki/Platonic_solid '/>
<meta name='referencecontent=' https://en.wikipedia.org/wiki/Pyramid_(geometry) '/>
<meta name='referencecontent=' http://polyhedra.org/poly/show/0/tetrahedron '/>
<meta name='referencecontent=' http://www.mathsisfun.com/geometry/tetrahedron.html '/>
<meta name='referencecontent=' http://www.kjmaclean.com/Geometry/Tetrahedron.html '/>
<meta name='referencecontent=' http://www.georgehart.com/virtual-polyhedra/vp.html '/>
<meta name='referencecontent=' http://www.georgehart.com/virtual-polyhedra/vrml/tetrahedron.wrl '/>
<meta name='identifiercontent=' https://x3dgraphics.com/examples/X3dForAdvancedModeling/GeometricShapes/Tetrahedron.x3d '/>
<meta name='generatorcontent='Meshlab X3D Exported, http://meshlab.sourceforge.net'/>
<meta name='generatorcontent='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
<meta name='licensecontent=' ../license.html'/>
</head>
<!--

Index for DEF nodes : CoordinateAxesAdjustedScale, Tetrahedron

Index for Viewpoint images : Viewpoint_1, Viewpoint_2, Viewpoint_3
-->
<Scene>
<WorldInfo title='Tetrahedron.x3d'/>
<Background skyColor='0.5 1 0.9'/>
<Viewpoint description='Tetrahedron from Z axisposition='0 0 6'/>
<Viewpoint description='Tetrahedron from X axisorientation='0 1 0 1.570796position='6 0 0'/>
<Viewpoint description='Tetrahedron from aboveorientation='1 0 0 -1.570796position='0 6 0'/>
<Shape DEF='Tetrahedron'>
<IndexedFaceSet solid='falsecoordIndex='0 1 2 -1 0 2 3 -1 0 3 1 -1 3 2 1 -1'>
<Coordinate point='1 1 1 -1 1 -1 -1 -1 1 1 -1 -1'/>
</IndexedFaceSet>
<Appearance>
<Material diffuseColor='0.2 0.5 0.8'/>
</Appearance>
</Shape>
<!-- Authoring hint #1: add a semitransparent Shape with a unit Sphere here to see relative Tetrahedron size -->
<!-- Authoring hint #2: these axes are aligned within local coordinate system, be sure to set X3D profile='Immersive' if uncommented and activated -->
<Transform DEF='CoordinateAxesAdjustedScalescale='2 2 2'> </Transform>
</Scene>
</X3D>
<!--

Index for DEF nodes : CoordinateAxesAdjustedScale, Tetrahedron

Index for Viewpoint images : Viewpoint_1, Viewpoint_2, Viewpoint_3
-->

<!-- Color key: <X3dNode DEF='idName' field='value'/> matches <XmlElement DEF='idName' attribute='value'/>
(Light blue background: behavior node) (Grey background: inserted documentation) (Magenta background: X3D Extensibility)
-->

<!-- For additional help information about X3D scenes, please see X3D Tooltips, X3D Resources and X3D Scene Authoring Hints. -->