The Readymade is not at all related to the 'found object' because the latter is completely directed by personal taste, which decides that this is a beautiful object and is unique.
Definition.com
Definition.com
The Readymade is an attempt to discourage aesthetics; and yet despite throwing the bottlerack and the urinal in the critic's faces, now they admire them for their aesthetic beauty.
Definition.com
The Readymade is a principle grounded in the idea of chosing an object that wouldn't attract, either by its beauty or by its ugliness. To find a point of indifference in looking at it, you see
Definition.com
The Readymade is a principle of assemblage at work in all art, for even the tubes of paint used by the artist are manufactured and ready made products.
See also
.com