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* Threads: a 12 mm hole takes M12, and a modelled thread narrows a bore that is too wide (#11609) Automatic sizing of a hole now takes the size whose nominal diameter the hole has (a 12 mm hole is M12, not M14, the size whose tap drill is 12 mm); a hole near no nominal diameter is still matched by tap drill. A modelled internal thread in a hole as wide as the thread or wider no longer refuses with "too wide": the bore is filled in to the thread's minor diameter over the threaded length and the groove cut there, and the feature's warning says so. A size that does not fit the hole names the size that does. A saved thread with no designation keeps the old rule through a pending format step, so an existing design rebuilds with the size it had. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * Threads: keep an old automatic size through edits; kernel-rig cases expect the narrowed bore (#11609) Editing a saved automatic thread keeps `old_auto_size`, so it does not change size. The five kernel-rig cases that expected a modelled thread in a hole as wide as the thread to be refused now expect the narrowed bore, with the volume worked out analytically in each case. The thread dialog's reopen pattern names the new field. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * Thread dialog test: a 5 mm hole is suggested M5, its nominal size (#11609) Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>