Done with the basic keyboard frame, which gives a good chance to view it and contemplate its basic design, before I add a whole lot of other parts and mechanisms (such as the dampers) which will tend to obscure the basic simplicity of the striking mechanism.
As you can see here, there are three crucial rails, plus the decorative/protective black front rail. The fulcrum rail has little blocks of wood which support the keylever axle wire, and also it has a "comb" of steel nails, which guide the keylevers (these unusual details, instead of the usual center "balance" pins underneath the keylevers). The lower touch rail, farther back, has the other "comb" of nails, completing the side-to-side guide system for the keylevers. The upper touch rail has no nails, but it has holes drilled through which will guide the damper wires (as seen on my 3-key prototype).
Here the frame is attached to the instrument (which is resting sideways, on its spine edge).
Next up, a whole lotta keylever fabrication, using the lessons I've learned from the prototype...
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