You made me laugh, lol.
I totally get that. What I used to do when I was working was find a way to call them or just walk over to their table.
It might sound rude, but it really saves time for both you and your colleague.
But use at your own risk.
As for the drawing—don’t worry, I haven’t forgotten.
I’ll get to it after the New Year because right now, I’m swamped with hosting my writing challenge.