Scale photos of the croissant plan and elevations. Scanned images of the reflected plan (base) and sections.

Elevation, side elevation, and sections with shading to show depth. Plan with hatching to show depth.

Overlaid on the 45° oriented plan, 3 independent grids were ruled at 10mm x 10mm for each section cut line. Transposing the dots from previous slide resulted in an axonometric projection.