Yet another pizza-slice stencil for Petri dishes
Description
Usage: 1. Place over the back of the petri dish. 2. Draw a line. 3. Rotate the stencil until the marks match the line you just drew. - The internal circle of markings has 12 divisions, for 30º pizza slices. - The external circle of markings has 16 divisions, for 22.5º pizza slices. 4. Repeat steps 2-3 until done. You may choose or skip markers as needed, or ignore them completely. 4. Enjoy your pizza stencil.
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