How to create tessellations (instructions)

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Tessellations created of triangles and squares.

I Making tessellations of triangles using a vector.
II A tessellation made of squares
III Making a tessellation using a center point and a pivot.

Instruction 2. Tessellation (a mosaic surface of a repeating shape)

Making a tessellation using center point and rotation.
II Making shapes using an equilateral triangle and rotations around a point