Worked most of the afternoon on the harp mock-up in builder's insulation foam board. We have a lot of this material left over from when we built the house over 25 years ago. It is 1" thick so it will work out well. I have made projects with and without mock-ups and those with the model always work out better. I even made one of this house before building it!
Before quitting for the day I cut out two of each of the main parts and glued the matching pillar and neck pieces together. Tomorrow I should be able to figure out how to make the interfaces. Working with this foam is a lot easier than working with hard wood. Mistakes are easily corrected now- so that maybe later I can do it right in cherry.