Ralph Merkle and Robert Freitas, in a joint session discuss diamond mechanosynthesis at the 2007 Foresight Vision Weekend Unconference. Join the two co-founders of the 2007 Foresight Vision Weekend Unconference. Nanofactory Collaboration for a preview of their recently accepted paper "A minimal toolset for diamond mechanosynthesis" to be published in JCTN (Journal of Computational and Theoretical Nanoscience). The talk is a complete description of nine molecular tools and all reaction pathways involved in their synthesis from raw materials. This took the co-authors three years to finish, and they view it as the critical next step in developing molecular nanotechnology for atomically-precise manufacturing.