hohlbaustein

摘要

On its front side, the hollow brick exhibits rounded portions or rounded side faces which correspond to inner faces, rounded in their shape, on the rear side of the brick and allow a following brick to be introduced, it being possible for the following brick to be arranged pivoted at a desired angle with respect to the first brick. By virtue of the fact that hollow bricks located behind one another can be pivoted relative to one another, circular walls and also walls of another shape, for example straight, can be produced.