Nicer looking cat pooer enclosure

activated carbon on the way

Instead of three sections it might be one large inner section which prevents dog access

Fans are on the way for this

120x360x1800mm vent chanel
latch lock things to seal vent chamber and lid

4x 1.8 long horizontals
8x 0.6m verticals
8x 0.6m (front to backs)

( 1.8 * 3 ) + 0.6= 6m
1.8 + ( 0.6 * 7) = 6m
8 * 0.6 = 4.8m

0.6x1.8 x 4
0.6x0.6 x 4

Holman 50mm x 3m PVC DWV Pipe

A tee or two.

tee in the middle which has two pipes on either side as intake.

----- T ----
|
L fan - charcoal filter

charcoal filter will probably be a pipe with activated charcoal inside some kind of stocking like sock

AQUAPRO 4 x 1m 0.5mm Prepack Pond Liner - $45

STRUCTAflor 3600 x 800 x 19mm YELLOWtongue Flooring General Purpose Particleboard - $50

1800x600x600

10cm off the ground

front face hinges forwards

each one has a 'dog house' door cutout

needs some kind of water proof liner