you can fit both the interlocking shell and draw on the same build plate. It will take a good amount of filament. I fix the issue with interlocking being too tight. if you want to add more draws I highly recommended you to remove the drawers first or it will be to heavy.

Creality

Ender-3 Max

No

Yes

.08 mm Nozzle

10% -20%

This will use nearly an entire roll of filament. Tree support is recommended.