Villeroy & Boch Oberon bathtubs - 7 sizes / 2 drainage options
1. central location of the drain (Villeroy & Boch siphon):
https://pro.villeroy-boch.com/ru/ru/bw/p/Oberon-2.0-Vanna-prjamougolnaja-model-UBQ170OBR2DV_01?cHash=f2ab2c357f184302a03d082a369966d5 
2. end drain (McAlpine siphon):
https://pro.villeroy-boch.com/ru/ru/bw/p/Oberon-prjamougolnaja-model-UBQ180OBE2V_01?cHash=956ee3c3f018160b44201143d67431f1 

Universal bath siphon - McAlpine click-clack (MRB11):
https://www.ozon.ru/product/sifon-dlya-vanny-mcalpine-click-clack-s-prochistkoy-snaruzhi-tsvet-hrom-zerkalnyy-sliv-pereliv-klik-728094742/#section-description--  offset-140
Features: water seal and bottom valve

Dimensions of bathtubs presented in the archive:

drain-overflow – in the center
- 190 x 90 cm
- 180 x80 cm
- 170 x75 cm

drain-overflow – at the end (the overflow can be moved, there is no hole for it in the model)
- 180 x 80 cm
- 170 x 75 cm
- 170 x 70 cm
- 160 x 75 cm

Bathtub material: quarryl (a composite material made from a mixture of acrylic and quartz, more durable and reliable compared to acrylic)
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! Renderings were made in Corona, materials were converted to Vray using Vray-converter!
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For Corona render, it is recommended to install version no lower than 1.5, since the glossiness of the materials is adjusted taking into account PBR

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