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3D model of the dog food chiller.
100W Peltier Chiller hooked up to a old CPU power supply
I used an aluminum block to help dissipate the heat from the Peltier module to the CPU cooling pipes module.
3D printed peltier cooler for a single can of dog food. Initially in the stages of designing my dog food feeder I wanted to give him a mixture of wet (can) and dry food. After determining that this was going to be more trouble than it was worth I resorted to only dry food and abandoned this concept. I couldn't get the wet food to slice and not stick to the bottom of the chopper.
I only printed the lower half for testing since the print was going to take well over 30+ hours to print. (See the image of the 3D model for the final product.)
The chopper would slice off a "puck" of food every time it opened.
Here you can see the Aluminum tube that would be used to pull the heat out of the can of wet food.
3D Printed Peltier Dog (can) Food Fridge

3D printed peltier cooler for a single can of dog food. Initially in the stages of designing my dog food feeder I wanted to give him a mixture of wet (can) and dry food. After determining that this was going to be more trouble than it was worth I resorted to only dry food and abandoned this concept. I couldn't get the wet food to slice and not stick to the bottom of the chopper.

JonPaul Laskis
Mechanical Machine Designer Simpsonville, SC