Day 694: modus operandi

For him, descriptive geometry was the modus operandi of the architect.

Artwork
Giovanni Battista Piranesi : Geometrical proofs on the door

Word of the day
modus operandi : a particular way of doing something

Quote of the day
“Ask yourself: Have you been kind today? Make kindness your daily modus operandi and change your world.”
― Annie Lennox