Building the Body Buck: Part 1, Ribs & Foam

Here’s what we’re building, sort of. Rather than build a CAD model of an actual assembly of stringer and rib parts, I extruded cuts into the solid model so that the slots will appear in the correct places when I make cross-section drawings at the appropriate locations. This is actually harder to visualize than you might think. I wasn’t sure it would go together flawlessly, especially since the cuts in both the ribs and stringers went to two different depths depending on the typical height of each region. I didn’t want long floppy sticking up from the cuts:

Body Buck CAD

Original 3D CAD model showing slots for assembling plywood ribs and stringers.

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Fabricating the Suspension Attachment Points