Editing Face (geometry) (section)

===Cell or 3-face {{anchor|Cell}}===
A '''cell''' is a [[polyhedron|polyhedral]] element ('''3-face''') of a 4-dimensional polytope or 3-dimensional tessellation, or higher. Cells are [[Facet (geometry)|facets]] for 4-polytopes and 3-honeycombs.

Examples:
{| class=wikitable width=640
|+ Regular examples by [[Schläfli symbol]]
|-
!colspan=2|4-polytopes
!colspan=2|3-honeycombs
|- align=center
![[tesseract|{4,3,3}]]
![[120-cell|{5,3,3}]]
![[cubic honeycomb|{4,3,4}]]
![[Order-4 dodecahedral honeycomb|{5,3,4}]]
|- valign=top align=center
|[[Image:Hypercube.svg|120px]]<BR>The [[tesseract]] has 3 cubic cells (3-faces) per edge.
|[[File:Schlegel wireframe 120-cell.png|120px]]<BR>The [[120-cell]] has 3 [[dodecahedron|dodecahedral]] cells (3-faces) per edge.
|[[Image:Partial cubic honeycomb.png|120px]]<BR>The [[cubic honeycomb]] fills Euclidean 3-space with cubes, with 4 cells (3-faces) per edge.
|[[File:Hyperbolic orthogonal dodecahedral honeycomb.png|120px]]<BR>The [[order-4 dodecahedral honeycomb]] fills 3-dimensional hyperbolic space with dodecahedra, 4 cells (3-faces) per edge.
|}