View of the symmetric digits (black dots) of the circlenumber pi within the 177-step pi-ramid.
Here you can see the symmetric dots in white colour.
The four-sided pi-ramid in top view
Here you see the negative of the four-sided pi-ramid .
View of the symmetric digits (black dots) of the circlenumber pi within the 177-step pi-ramid.
Here you can see the symmetric dots in white colour.
The four-sided pi-ramid in top view
Here you see the negative of the four-sided pi-ramid .