Making drawing possible in vanilla Minecraft!

/execute as @e[type=bat] at @p rotated as @p run tp ^^1^1
Note: this will only work on bats, and will keep the bat 1 block away from you
/execute as @e[type=bat] at @s run fill ~~~~~~ black_concrete
Note: this will only work on bats, and will make the bats place black concrete