This mod adds a "Tapeline" tool to the shortcut bar, also accessible with Alt+M. This tool can be used as a simple tape measure, or as a means of drawing a clean surface to work on.
Tilegrids drawn with the tool can either be in increment mode or split mode. Increment mode draws a subgrid every 5 tiles (configurable) with three subgrids in total. Split mode will split the selection into equal parts (configurable) and show midpoints.
This mod is meant to help with aligning things, finding distances, or drawing a workspace in which to do some focused building.