Reply To: How To Restore A Carpenter's Square Welcome! / Forums / General Woodworking Discussions / Tools and Tool Maintenance/Restoration / How To Restore A Carpenter's Square / Reply To: How To Restore A Carpenter's Square FrankM 18 September 2016 at 6:22 pm #140345 Paul dealt with this on his blog in August 2012. Search “square” and you should find Fixing an old tri square or something like that. Settings