It is a tessellation
A tesselation
Tiling
Such a pattern is called a tessellation.
It is a regular tessellation.
tessellation
A tesselation
Either "tiling" or "tesselation" is the usual term used.
Tiling
Such a pattern is called a tessellation.
tessellation
It is a regular tessellation.
Gaps or overlaps.
A tessalation is a pattern that has no gaps or overlaps when created.
No.
No.
No not normally
yes