Found art Friday

We are having a room replastered - skimmed is the technical term, I believe - a process that is stretching over several weeks for various, rather tedious, reasons. However this process is not without compensations, one of which is discovering these lines made by the plasterer on a yet-to-be-finished wall -

They cry out to be taken as rubbings and then inked.

Meanwhile the room is halfway there, and getting a little drier every day -