def brush_down():
_make_cnc_request("<STR_LIT>")<EOL>state['<STR_LIT>'].pendown()<EOL>state['<STR_LIT>'].forward(<NUM_LIT:1>)<EOL>state['<STR_LIT>'].backward(<NUM_LIT:1>)<EOL>
Puts the brush in its "down" position, so that it touches the paper.