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size; check the chosen unit's spec sheet."},"source_attrs":{},"license":{"id":"CC0-1.0","holder":"CadCraft","attribution":"“Generic decline portal, 18 by 16 ft opening” by CadCraft, CC0 (https://creativecommons.org/publicdomain/zero/1.0/)","url":"https://creativecommons.org/publicdomain/zero/1.0/"},"provenance":{"library":"librarycraft","item":"cf0ddfc4-1b2a-4459-8730-8527285b2544","version":2,"sha256":"b61f6e8e6d04637f6881cc93a36dfa63b50bd7a44f17331512705cdff84635e3","source_file":"generic-decline-portal-18-by-16-ft-opening.item.json","source_sha256":"3b57dfeff26497ded11c80525fb5d170c7da394394b2b0e290d152e0855422f1","published_at":"2026-11-03T06:24:50Z"}}