Upper vat container:
Its very important to print at 0.2mm. with 4 shell thickness and 100% infill at slow velocity to ensure waterproof.
The rest of parts:
Print at 0.3 mm with 2 or 3 shell thickness and 30% infill at medium velocity.
http://www.thingiverse.com/thing:1244716


http://www.thingiverse.com/thing:1244716