Saw
Knives
Pliers
Box
Insulation
small Pot that nothing bigger then a cat can fit in
Cut a hole in the box the shape of the pot
cut the insulation to the size of the box
put the insulation in the box
trace the hole from the box onto the insulation
take out the insulation and cut out the hole
put the insulation back in the box
shove the pot in the hole