Three faults, one of them mine and one that had been there from the start.
The braces were the change this session declined and that reached the repo
anyway, in 715d6af: moved outboard of the uprights, where they connect to
nothing and read as broken sticks. Reverting them was not enough, because
the version they replaced was also wrong -- a single diagonal tilted about
Z, in the same plane as the bell, which had to be shoved in front of it and
drew a line straight across the one silhouette in this model that has to
read cleanly. Neither is what a bell frame does. A real frame is two
A-frames, one at each end of the beam, braced fore-and-aft in their own
planes, with the bell swinging in the gap. Tilting about X instead of Z
puts them there and the bell is never in the way.
The uprights stood at beamLength * 0.34, which at the default yoke is 0.165
against a bell radius of 0.18. With their half-width they spanned 0.147 to
0.183 and ran through the mouth of the bell. Nothing objected: the support
test sees one connected mass, which is precisely what a post driven through
a bell looks like. They now stand at the larger of the yoke's reach and the
bell's radius plus a margin, so a short yoke cannot close the frame onto
the bell -- and the beam's span is derived from that rather than from the
yoke alone, because decoupling the two first left the rail too short to
reach the uprights at the bottom of the slider and the two A-frames came
apart into separate objects.
The foot sat height * 0.16 below the mouth, leaving 24 mm between sill and
lip. A bell hangs clear of its sill; at that gap it read as resting on one.
Colour last. The bell was painted from the `brass` entry and rendered at
hue 39 / saturation 0.56 / value 0.56, against a reference at 33 / 0.34 /
0.33. That is not a subtle disagreement and, unlike the hay bale, the
measurement can be trusted here: a bale photographs desaturated because it
is thousands of straws shadowing each other, while a cast bell is a smooth
surface, so the number is the material rather than the texture. A separate
`bronze` palette entry, derived by inverting the renderer's own gain,
brings it to 30 / 0.31 / 0.43. It is a palette entry and not a slot -- the
mesh still resolves through `brass` -- so the coin pouch and the book's
corner fittings, where fresh yellow bronze is right, are untouched.
27 models, 18457 triangles, all checks pass, 0 floating cases, build clean.
CRT
6bae10f593