For tip to function correctly, you must ensure that the downloaded file name matches the file name displayed in the Rename File To field. Please rename downloaded files when necessary.
3D PLINE OFFSET
Tip #1877 [3D_OFFSET.LSP]
As you know, you can t use the Offset command with 3D polylines. 3D_OFFSET.LSP nicely overcomes this limitation in AutoCAD Release 2000 and above.