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Heidrun 100L box conversion to cat litter box — zdjęcie 1
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Heidrun 100L box conversion to cat litter box

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convert a box to a litterbox for cats with entrance

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Informacje o modelu

Źródło
Printables
Kategoria
Pets
Licencja
Creative Commons — Public Domain

Updates

  • 09/03/2026 - Updated OnShape document to allow mounting the entrance on the side. TODO: update this and add STLs

  • 10/03/2026 - added new side entrance photos

Story

I had couple of Heidrun boxes bought at Action from my last move. One of my cats started peeing over the old litter box and most of the available enclosed litter boxes were too small, so I converted those big boxes to litterboxes so that my cat doesn't pee over the walls lol 

After V1 (wasn't posted) I noticed that all 3 of my cats seemed to like the new litter box and started to do their business mostly in that one. Currently I have two of those, maybe I'll have less litter to clean.

The Box


I bought the boxes in Action, they were quite cheap. Cheaper than those big litterboxes.
https://www.action.com/pl-pl/p/2535483/pojemnik-do-przechowywania-heidrun/
I also noticed that similar ones are sold on amazon and similar sites.

This box has curved sides but I managed to measure the radius and the parts fit quite well

 

Cutting the hole

Use the provided template to trace where to cut (I cut the plastic wall with template still stuck on). I used 38mm speedclic Dremel cutting disc to cut out the hole. My first attempt was with a jigsaw and the box cracked, so watch out for that. I guess a soldering iron might also work. Boxes walls were too thick for a Stanley knife.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I cleaned up the rough edges with a deburring tool and some sandpaper.

 

Assembly 

Assembly should be straight forward, as it's only fitting the parts together 

  1. Fit the TPU thing onto the front cover (one with the pegs)

  2. Attach the pegs into peg holes on the main body

  3. Fit the main body into the cut hole (it might be a tight or loose fit depending o the hole you cut - it was slightly bigger for me)

  4. Snap the fastener onto the body from inside the box

  5. Optionally: print and fit the inside cover 

  6. Add litter

Sources

This was made in OnShape and the document is public! You're free to do anything to this model, if it's only modifying one variable or remixing it completely. Go nuts!

https://cad.onshape.com/documents/672bea0f72f03b2470c48142/w/71c6ec41d7dfb2a7e72abfed/e/4bfee095f4f9b43726f14ec6?renderMode=0&rightPanel=variableTablePanel&uiState=67e97b85de259f22ca00e51d 

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