10-Minute Router Flattening Sled – Fast, Simple, and Shop-Ready! Need to flatten slabs, boards, or live-edge pieces without a ...

For an upcoming project, we needed a large, 1-3/4” thick piece of solid black walnut. Wood like this isn’t something you’ll find just anywhere, and when found, it’s rarely in the dimension you need.

If you don't have a jointer or a planer, building a simple sled for your router is an effective solution for flattening large or difficult materials.