> dialog, but
here you must specify the level’s dimensions. The maximum allowed size is
6,666×6,666 — hopefully, you’ll never ever come across a level this big, but
some upper limit had to be introduced and this is as good as any!
Don’t worry if you don’t get the level size quite right initially; you can
change it later with the resize and crop actions, as you’ll see.</p>
<p>You also have the option to pre-fill the level with empty floor cells (<strong>Fill
with empty floors</strong>). This mig