My neighbor’s oak tree was cut down. I used most of it for firewood, but the crotch was too hard to hand split. I took it to my local sawyer and had it cut into 2 inch slabs. After two years of standing in the corner of my shop it was time to use it. The two slabs from the middle cupped, but the outside two were relatively flat. Used my belt sander and started with 40 grit sandpaper to further flatten an outer slab. I took an inner cupped slab and made the vertical pieces. The cross brace is another piece from the same oak. No glue between the parts, wedge tenons and tight (curved) tenon of the legs into the mortise in the top—I’ll see how this works out. Finished with cherry stain and several coats of spar polyurethane. This one is for a friend as a coffee table. I’ll make us one from the other two slabs.