Creating a design for a house extension can become very tricky. Aside from matching the exterior with the already existing one, the interiors have to blend also. Here is an extension that brakes the pattern of similarity, but creates a great effect while doing so. Often called “a matchbox” or a birds nest, this building addition comes form Arhitektid Muru & Pere and is located in Estonia. The fascinating walls made of wood or crisscrossed sticks really stand out and they become the strongest feature of this construction. They also go well with the surrounding natural environment. The interior is spacious and the large windows have wooden bars to go with the external design. A great example of an addition to fit the needs of a growing family via Vectro Ave.