Plank (IL) Extra + More wood than you can possibly handle...
25-30 steps
STR depends on what you're tryin to do (0.6 - 1.6)
Add "no humans" in positive prompt as IL tries to anthro plank.
If adding clothes/articles - specify "on top of plank, around plank" as it tries to anthro if clothes are mentioned.
Specify "hands" in positive prompt for holding objects.