Wheels built (turned out one of the spokes was longer than spec) and a mahoosive box arrived today:
Well, two mahoosive boxes. After confirming that small children do still enjoy playing in large cardboard boxes, the outer one has been gifted to the family nextdoor.
The inner one is looking like it'll do the job on the trailer.
I 'just' need to sort out the middle bit...
Those of you with trailers, what kind of thickness is the main platform, and are there any nice features you'd recommend regarding fitting points?
I probably need to accommodate box on and box off, also bungee and ratchet strap fixings for $RandomStuff as befits an art student.