maker shelf
vfourpoint one flashxhigh
Five instruments built around one honest calculation each: a sum of harmonics, a shortest ray path, an exposure value, a rope's equilibrium, and an apparent wind vector.
01harmonic puzzle
Tide Gauge
Three tidal constituents, one recorded day. Rebuild the water until the error drops under ten centimetres.
turn a dial ↗02ray puzzle
Beam Budget
Route a lighthouse beam to the harbour with mirrors, without spending more than the shortest path costs.
bolt a mirror ↗03exposure sim
Grain Dial
Aperture, shutter, film speed. Land the frame inside half a stop and develop the plate.
set the dials ↗04statics rig
Knot Tension
Hang a crate across a ravine. Clear the water and stay under the line's rating, with margin.
certify the rig ↗05sailing polar
Sail Trim
Apparent wind, sheet angle, and a solved polar. Beat to the windward mark and home again.
sheet in ↗