View Mode
This tool allow us to calculate the subdivided mesh of the primitive object.
The toggle to swap between Box Mode (Primitive) and Smooth Mode (Subdivided) is in the right part of the toolbar on viewport.

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The smooth mode resolutions depends on the
Subdivision Level.
Turning off Clayoo will generate the mesh depending on the View Mode.
Tip: it's highly recommended to use the Box Mode (Primitive) while modeling, the precision and the performance could improve significantly.