Leonardo da Vinci designed an automatic loom mechanism intended to make weaving more efficient.
A loom interlaces lengthwise warp threads with crosswise weft threads. Leonardo studied ways to automate repeated actions such as raising and lowering warp threads and moving the shuttle that carries the weft. His mechanical drawings show how cams, gears, and coordinated motions could replace some manual labor in textile production.
Leonardo's loom belongs to a larger group of machines in his notebooks that used timed mechanical sequences. It was a design concept rather than a documented industrial machine, and there is no evidence that it transformed textile manufacturing during his lifetime.
The term “automatic loom” should not be confused with the later power loom. Industrial power looms, developed centuries afterward, used external power sources and became central to mechanized textile factories. Leonardo's proposal is important as an early attempt to automate weaving operations, not as the origin of the modern factory loom.