A diatom
Unicellular alga covered in silica. The photo of this diatom seen under an optical microscope evokes a dihedral symmetry of type D3.
© Franco Valoti
foto di Franco Valoti
The image belongs to the sections...:
*3. (D3) (Symmetry)
In the microscope (Symmetry)
In the microscope (Anthology of images)
