Ultimate Guide to Slab Flattening Jigs, Router Sleds (Buy or Build)
VEVOR Router Sled, 60 inches / 152.4cm Width, Slab Guide Jig for Woodworking with Locking Function, Portable and Easy to Adjust, Trimming Planing Machine for Wood Flattening, Home DIY - Amazon.com
How to: Flatten and Thickness Large Slabs of Wood with a DIY Router Bridge Planer - ManMadeDIY
Walnut Avenue Woodworking - I've set up a router planing jig to flatten rough cut slabs that won't fit on the jointer nor through the planer. It works great and is a