Nice box, nice contrast. What jig did you use to make the inlaid joints? Probably more folks than I would be interested in knowing more about that part of the process.
Have been asked how I made the Double Joints on one of my projects. Just wanted to let you know I use a JoinTech Clincher Cabinet Makers System (No longer available new but sometimes on EBay). You can use the INCRA Fence System as they do the same joints (rumor has it they bought the technology from Jointech) or you can make a couple of jigs but you could go crazy trying to calculate the measurements needed. The key is to keep the center of your workpiece locked in at all times or your joints will drift. The pictures show my current projects (Decorative Tissue Boxes for Christmas Presents) in various phases of production. The wall thickness of joints using a 3/8" router bit is 3/32". The pattern spacing is 15/16"
Shown are the phases of progress with the first cuts , insert of the matching material cuts and finally the final cuts which are standard box joints but… depth of cut for these joints "must equial" the material thckness for everything to come together