Massimo の投稿: Office life before the invention of AutoCAD and other drafting software. Prior to the release of AutoCAD in 1982, engineering drawings were all done by hand using different grade pencils, erasers, T-squares and set squares. https://t.co/bflPoRWqDA

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Massimo

@Rainmaker1973

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Massimo

@Rainmaker1973

Office life before the invention of AutoCAD and other drafting software. Prior to the release of AutoCAD in 1982, engineering drawings were all done by hand using different grade pencils, erasers, T-squares and set squares. [ 网页链接 ↗ ]

2026/03/09 02:30