To make a rough draft or sketch of s.t.; to mark s.t. temporarily so that one can see if the dimensions are satisfactory with what one wants (as when staking out the dimensions of a house on the ground, drawing a line on the ground where a well will be, marking a place on a wall where a door will be, etc.).
If you want to build a house, draw a sketch of it first.
Dasad made a rough outline on a board in order to make an oar.