But, rather than pay someone to mill our chunk of walnut, we decided to build a slab flattening router sled. Using a router sled to flatten a slab of rough-cut walnut. In simplest terms ...

Repeat until you’ve surfaced the entire board. By no means is this the best way to flatten a board. It can take hours, depending on the slab and the size of your router and bit. And boy oh boy ...