Sandbox Snail
Manufacturer: ADANAT
Length 757 cm
Width 748 cm
Height 130 cm
Polygons - 15612
Vertices - 17107
Material: wood
Model pivot at 0 mark
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In the archive: 2013 and 2016 MAX (Corona+Vray)+OBJ+MTL+FBX
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The "Snail" sandbox is one of the most common and frequently encountered models in playgrounds. The sandbox design is complemented by a small climbing structure for toddlers. Reliability, strength, and resistance to precipitation ensure safety for children.
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https://adanatgroup.ru/katalog/detskoe-igrovoe-oborudovanie/eko-stil/igry-s-peskom/pesochnica-ulitka/ 
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For those working in V-Ray versions lower than 3.1, please be careful, in the materials in the BRDF section, Microfaset GTR (GGX) is set. If your version is older than 3.1, the BRDF field will be empty. Choose Blinn, Phong, or Ward – whichever is preferable for you.

For Corona render, it is recommended to use a version no lower than 1.5, as the glossiness of the materials is set with PBR in mind.