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Volumes

1. Vol 1 Overview & Design Philosophy What the DFCD is, the FreeCAD-in-the-workshop use case, the modular-core design, and a guide to this series
2. Vol 2 Bill of Materials & Sourcing Every purchased component in the DFCD reference build, with sourcing notes and substitution options
3. Vol 3 Printing the Chassis STEP and mesh file inventory, print settings, orientation, material, and post-processing for the DFCD structure
4. Vol 4 Assembly & Wiring Screen slider mechanism, trackball module, power path, rear USB rails, shoulder mounts, and cable management
5. Vol 5 Power System NP-F battery, 7.2 V to 5.1 V step-down conversion, runtime math, and charging
6. Vol 6 OS & FreeCAD Setup Raspberry Pi OS installation, FreeCAD configured for the DFCD screen and trackball, and performance notes
7. Vol 7 Living With It & Roadmap Field-use notes, WIP modules, custom trackball electronics, and the upgrade path