Grommet for Sears swamp cooler model 661.624630

This is a replacement grommet for a Sears swamp cooler. I've made it fully parametric so you should be able to use it for about any type of appliance with a relatively thin skin of metal on the outside.

The Sears cooler has two holes or ports on the side to allow for cabling and other access. In my case, these two holes are not used. The cooler came with two plugs made of a soft plastic that have long since rotted away from sun exposure and other environmental factors. Seemed like an ideal thing to print so I designed this part.