This post ends with SilentMin Yu 2021-1-29 15:20 edit
Kind reminder: The design drawings must be modified according to the actual type and thickness of materials used before use!!! (The oak board used in the picture)
The uploaded drawings have not been tightened yet. Please adjust the size of the mortise and tenon joints according to your needs!!!
This drawing hasn't been tightened yet, so when cutting it out, it still needs to be bonded with a hot melt glue gun. You can make a reduction at the tenon joint position0.4mmThis makes it very tight