新增cdsl

2026-08-24 14:52:08 +08:00
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+# CDSL Bridge: Mounting Bracket
+
+- Use for an L/U/T bracket or a support with a base plus web, lug, tab, or boss.
+- Invariants: one coherent body, a load path from base to web/boss, datum-driven holes, and no invented fastener assembly.
+- Plan: base `extrude_add_blind` -> web/tab/boss add features -> clearance/slot cuts -> holes -> mirror/linear repetition -> late edge treatment.
+- Use named planar profiles and explicit workplanes. Keep holes after the support geometry so they do not float.
+- Do not flatten a 3D bracket into a plate or add fillets without a valid selector.