Decorative panels "Frames on canvas" (6 variations)

Materials used include marble, metal, painted concrete/plaster, textured travertine, created by me, which can be purchased in other colors via the link in the comments.

Size of 1 frame on canvas 400x400 mm
Projection of 30 mm

Dimensions of canvas 1:
length - 1650 mm
width - 550 mm
protrudes by 40 mm

Dimensions of canvas 2:
length - 1650 mm
width - 1235 mm
protrudes by 40 mm