Читать книгу AutoCAD For Dummies онлайн
73 страница из 139
4 Press Ctrl+S to save the drawing.AutoCAD saves the drawing and renames the previously saved version drawingname.bak — for example, My Plate is Base.bak. AutoCAD uses the filename extension .bak for a backup file. When (not if) things get out of hand, you can always rename the .bak file to .dwg to return to the most recent version.
ssss1 Give the column some thickness with OFFSET.
afd03b-i.dwgafd03.zip
Taking a Closer Look with Zoom and Pan
The drawing example in this chapter is uncluttered and manageable, but most real CAD drawings are neither — technical drawings are usually jam-packed with lines, text, and dimensions. CAD drawings are often plotted on sheets of paper that measure 2 to 3 feet on a side (in the hundreds of millimeters, if you’re a metric maven). Anyone who owns a monitor of that size probably can afford to hire a room full of drafters and therefore isn’t reading this book. You need to zoom and pan in drawings — a lot. I cover zooming and panning in detail in ssss1. These quick definitions should suffice for now: