How do your players map the dungeon? I used to describe it in detail: “thirty feet down the corridor is a door on the left, and a further ten feet it ends in front of yet another door.” This was cumbersome and frustrating. Then I mapped for my players: “Give me the map and I’ll draw it!” This was slow and broke the flow. As a player, I discovered that I liked mapping as our DM kept talking. The resulting maps were crude, wrong and great fun. Thus, when Youseph Tanha said on Google+ that this has slowly driving him insane, I decided to look for some examples.
My map of a Set temple:
This is what Bruno drew:
Another example. Recently I was running my party through Tower of The Changer by Aos:
This is what Claudia drew, rotated by 90°:
Looking at the comments left on Youseph’s post, I guess this is very similar to what Joseph Bloch is doing: