I have done this in the past (printing in the Z-direction) but it is very limited for the reason you are describing: the print head gets in the way. Another li

I have done this in the past (printing in the Z-direction) but it is very limited for the reason you are describing: the print head gets in the way. Another limit is that it takes time for the plastic to become hard. So if you print in the Z-direction you sometimes have to wait before you can continue.