Building Society Stavební spořitelna Česká spořitelna (Buřinka), the Czech Republic-based organization that brought us Protozoon, the country’s first 3D-printed house, is adding to its list of 3D construction innovations with a new project. A cooperation between the private sector, the public sphere and research ventures, the new 3D-printed parkour playground is the first of its kind. Spanning 14 by 12 meters in size, the parkour playground uses cast rubber for the impact area with individual obstacles made of concrete.