In the first model (the technological model), Deleuze uses fabric as an example.
"...it is constituted by two kinds of parallel elemnets...there are vertical and horizontal elements, and the two intertwine, intersect perpendicularly...one is fixed the other mobile, passing above and beneath the fixed."

Based on the assimilation of fabrics, this math model allows us to determine which is smooth or striated. Felt, however, as the "anti fabric" "...has neither top nor bottom nor center, it does not assign fixed and mobile elements but rather distributes a continuous variation." There is no defined assimilation or intertwining like other various fabrics. Felt is like a continuous flow of meshed fibers, different, but continuous. "It implies no separation of threads..." It's a continuous variation revealing the principles of topology.