As we continue using the tooling, we find small ways in which to improve it. Here we're drilling holes in the 4X4 wood block supports https://pbase.com/image/164139092 as bolt reliefs https://pbase.com/9146gt/image/164139085 for when the 4x4s are under the tooling while in use https://pbase.com/image/164139266. Not only does it keep the tool from flexing, it also allows the energy to transfer to the material more effectively.