Slide Tessellation #1

Use card stock, tag or heavy paper.
Start with a square or a rectangle.

Slide it up & tape to the opposite side, as shown here:

Add details : ) ... beautiful!

Draw a shape along one side of the rectangle.
Cut the shape out---

Trace around the shape to make a tessellation:

Variation: Cut a shape out of one side, and attach it on an adjacent side (see below).

The tessellation will rotate instead of forming rows:
    

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Slide Tessellation #2 (two-sided)

Follow the directions for tessellation #1, but cut shapes out of 2 sides.
Side 1:

Side 2:

I used this method to produce this tessellation: