AMOPLAY - http://www.urban.amop.eu/idx/boxlargeprodutos,8,2,0 
Modules for playgrounds made of precast reinforced concrete. Small architectural forms for the park area, seating.
To play is a common and natural behavior during the childhood.
These activities are fundamental to the human growth and development either at physical, cognitive, mental and social level. The need of playful equipments for alternative outdoor spaces to the already existing on the market, led to a research-base in which this project is based. Looking at our landscape and cultural heritage - in part lived during our childhood - we looked for “new”
entertaining models which allow a free composition of physical and mental activities, leading the way wide open to the creative exploration from those who enjoys the equipment.
Outdoor classes, to play chess with grandparents, to pull or listen to a story, to build sand castles, to learn how to play marble or spinning top, to hide and seek, to play rackets or simply draw what is surrounding...
The basic forms of the drawn pieces allow, both children and teachers, a specific use of each object according to the form and occasion, apart from their physical or age limitations, this way encouraging the living together between generations in the same open space.
The range resulting from this research is composed by playful and educational objects in precast concrete which allows the practice of psychomotor activities suitable to several age levels, as well as interaction and usufruct of leisure moments between generations.
The singularity of these objects allows its individual use or as complement to other outdoor ranges, therefore complementing the diversity of activities available to outdoor play zones. The use of precast concrete also enables an environmentally friendly and low cost alternative (either when purchasing or maintaining) to the traditional equipments to children’s play spaces.

The stack of the TurboSmooht modifier in 3d max files is not collapsed, adjust the iterations for yourself!
On a preview with a render from 1 to 2, on a preview with a grid of 0 iterations.

"Who works in a V-Ray version lower than 3.1 be careful, in the materials in the BRDF section there is a Microfaset GTR ( GGX), if your version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward – which is preferable for you"

"For Corona render, it is recommended to install a version not lower than 1.5, since the glossiness of materials is configured with PBR in mind."