Espresso Knockbox with second floor

Espresso Knockbox I made the model based on the Knockbox V2 from flaska9999 at printables: https://www.printables.com/model/409688-knockbox-v2I really liked the design and also wanted to have a second floor to prevent mold build up as seen in the knockbox from Thomas Rendek: https://www.printables.com/model/122031-coffee-knockbox For the bar there are a few options. I used a 16mm aluminium pipe that I had laying around and added the TPU sleeve to it. You can also use a wooden dowel or just print the part. If you cut it out of something is needs to be 92mm long. I just put the TPU sleeve on it and cut the rod at that length. If you do not want to use the TPU sleeve, you can also just print the 20mm bar, which should work fine (but I have not tested it). I also added some TPU feet to give it a nice hold and a bit of dampening on the kitchen counter. They need to be glued in with super glue or so. Print instructions: Material of the box and 2nd floor does not matter much, it can be printe