Cat House Cardboard Frame "Cat Hole" (Square Type)

Turn your existing cardboard boxes into a cat house!
Frame for Cardboard Cat House
Simply insert into a cardboard box you have at home to secure, hide cut edges, and upcycle.

It secures by simply inserting it into the opening of a cardboard box, and features a unique anti-slip step structure that prevents it from coming off even when the cat goes in and out. We offer 4 types: Arch, Square, Round, and Cat Ears. Extra-large arch size for extra-large cats is available by special order.

Features
■ 1. Simply cut and insert to complete
Even if you cut the cardboard roughly, the frame covers all cut edges for a neat appearance.

■ 2. Won't come off even if the cat jumps in (Patent Pending)
The multi-step anti-slip structure, which fits the thickness of the cardboard, prevents it from slipping off outwards.

■ 3. Can be reused even if the cardboard gets worn out
When the box is damaged, simply replace it with a new cardboard box to complete the renovation. The frame can be used for a long time.

■ 4. Upcycling cardboard
A sustainable item that gives discarded cardboard a new role as a cat house.

■ 5. Minimalist design that blends into your living space
The white frame eliminates the everyday look of cardboard, transforming it into a beautiful cat house that looks great in any room.

This product is an original product for which a patent application has been filed (Arch Frame for Cardboard Box and its Mounting Structure, Application No.: 2026-067301).
Material: Plastic (3D printed)
Size: 222×222×25(mm)

Notes
There are layer marks due to being handmade (3D printed).
Cardboard boxes are not included with this product.

--About LINER--
LINER is a micro-factory that handles everything from planning → design → modeling → manufacturing → commercialization.