Models for anti-aliasing. The scene shows models in open and closed positions.

Contardi Picchio Bronze-nickel / Coffee leather wall lamp
H x W x D: 18 x 9.3 x 7.7 cm
Number of polygons before smoothing: 4,293
Number of polygons after smoothing: 34,316
https://www.de-light.ru/catalog/contardi/nastenniy-svetilnik_picchio_bronze_nickel_coffee_leather_s_vstroennym_drayverom_00159563/ 


Contardi Picchio Polished Aluminum Wall Lamp
H x W x D: 18 x 9.3 x 7.7 cm
Number of polygons before smoothing: 4,293
Number of polygons after smoothing: 34,316
https://www.de-light.ru/catalog/contardi/nastenniy_svetilnik_picchio_polished_aluminium_s_vstroennym_drayverom_00159560/ 


Contardi Picchio Wall Sconce Polished Aluminum / Cognac Leather
H x W x D: 18 x 7.5 x 2 cm
Number of polygons before smoothing: 3,861
Number of polygons after smoothing: 30,860
https://www.de-light.ru/catalog/contardi/sveilnik_nastenniy_picchio_polished_aluminium_cognac_leather_00159555/ 

The model lies in a separate, deliberately named layer.
All materials are deliberately named.