Editing Truncated tetrahedron (section)

{{short description|Archimedean solid with 8 faces}}
{{infobox polyhedron
| name               = Truncated tetrahedron
| image              = Afgeknotte driezijdige piramide.png
| type               = [[Archimedean solid]],<br>[[Uniform polyhedron]]
| faces              = 4 [[hexagon]]s<br>4 [[triangle]]s
| edges              = 18
| vertices           = 12
| dual               = [[triakis tetrahedron]]
| symmetry           = [[tetrahedral symmetry]] <math> \mathrm{T}_\mathrm{h} </math>
| vertex_figure      = Polyhedron truncated 4a vertfig.svg
| net                = Polyhedron truncated 4a net.svg
}}

In [[geometry]], the '''truncated tetrahedron''' is an [[Archimedean solid]]. It has 4 regular [[hexagon]]al faces, 4 [[equilateral triangle]] faces, 12 vertices and 18 edges (of two types). It can be constructed by [[truncation (geometry)|truncating]] all 4 vertices of a regular [[tetrahedron]].