Sheet metal: sew the folded-material guard per piece so adjacent flanges cut (#296) (#355)

The guard that refuses machining through bends sewed every bend zone and
nonparallel panel into one solid. Two bends meeting at an open corner relief
share only an edge, so that sew failed with "nonmanifold edge contact" and any
cut on the base was refused. Sew and test each piece on its own instead.

Reference case 75-sm-bracket-holes now passes; its known_failure mark is removed.

Fixes #296


Claude-Session: https://claude.ai/code/session_01RjGw4gA5ZvKrU8MQP6sBgT

Co-authored-by: Claude Opus 5.5 <[email protected]>
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bherbruckandClaude Opus 5.5 authored and GitHub committed 2026-10-12 14:27:40 -04:00
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@@ -21,6 +21,5 @@
30.0
]
},
"note": "SolidCraft convention: the second flange trims the base under the first bend, so bend 1 stops at x 75 while flange 1's panel runs to x 80 (open corner relief, no fill).",
"known_failure": "#296"
"note": "SolidCraft convention: the second flange trims the base under the first bend, so bend 1 stops at x 75 while flange 1's panel runs to x 80 (open corner relief, no fill)."
}