First cross bulkhead support pieces were added:
Followed by bow and sidewall cleats:
Sidewall cleats always look wavy and out of alignment, but are correct.
And bulkhead plywood is trimmed to match cross pieces top bevels:
Seat braces and spare oar slot took a big chunk of an entire day! Lots of crazy angles and cuts:
Then spent a few days planning water drainage, gutters and frames and hatch lid sizes and locations, esp various cooler locations (if used ):