Once again, the limitation is not "put a pole". Blocks have to be on the ground, period.
EDIT: Or its lowest possible height if they are connected to the ground. However, valley signs that are connected to the ground have a ground version so you have to use that.
Reminder that mixing is allowed - if you manage to put a BIGASS screen on the ground you can use that.
Last edited by FT»Osaka, 2016-05-20 11:50:20