Decide on the layout of the box. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Paint the exterior walls first, being careful not to let the paint bleed over the lines you’ve sketched for your doors and windows. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. If you have to apply one color over another — a black doorknob on a red door, for example — let the bottom layer of paint dry completely before applying the second color. Wave the lines as you cut. Yes, but this should not be your hamster's primary home. You need a red wrapping . So here is the idea of making a fun cardboard playhouse for him with simple cutting, taping and painting that he would adore to the core to play in and have super summer fun. How To Make A Cardboard Play House. Place one of the open ends on the bottom. So, a separate resting space or place is often provided to cats and dog by providing the special pet houses which may also come with a cozy pet bed installed inside. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/52\/Build-a-Cardboard-House-Step-1-Version-3.jpg\/v4-460px-Build-a-Cardboard-House-Step-1-Version-3.jpg","bigUrl":"\/images\/thumb\/5\/52\/Build-a-Cardboard-House-Step-1-Version-3.jpg\/aid322880-v4-728px-Build-a-Cardboard-House-Step-1-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"