Table - W 118cm x D 56cm x H 76cm
Upper module - W 118 cm x D 20 cm x H 15 cm

https://www.potterybarnkids.co.uk/penny-desk?quantity=1&attribute_1=Desk 

For facades with panels, the stack is not collapsed, TurboSmooth is left: Iterations -1, Render Iters - 3
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For Corona render, it is recommended to install version no lower than 1.5, since the glossiness of materials is configured taking into account PBR