Sometimes we need to make simple adjustments to drawings sent to us by clients or colleagues. In these cases we simply draw freehand. We cover this topic in several of our drawing tutorials in our Autocad 2D training courses.
For example we can use the Line tool, the Circle tool, Polygon and Rectangle tools to draw freehand in order to make simple modifications to a drawing. To see where the drawing tools are snapping to click on the small arrow beside the Object Snap icon on the bottom Status bar, and choose Settings. Or, if you’re using a Macintosh, right-click on the Object Snap icon to open the Settings. On the PC you may also use the F3 key to toggle OSNAP on and off. The settings chosen will remain fixed for this machine until you change them.
Sometimes you wish to constrain lines to the horizontal or vertical axes. In this case press the F8 key or the Ortho icon on the Status bar. When drawing you may also press the Enter key to repeat a command, for example the Line tool. Or you can right-click anywhere and choose Recent Input. Note also the Object Snap Tracking icon for drawing inferences; this function recognizes existing lines and objects and tries to line up your next drawn content.
You may hit Ctrl + Z to Undo and Ctrl + Y to Redo. For the Mac this is the Command key, of course. Double-click your mouse-wheel for Zoom Extents, which zooms to any drawn content. Or type Z and Enter, then A and Enter (Zoom > All), which zooms to the whole drawing sheet.
More information on all features of the program can be found at the AutoDesk website. And see many examples of our clients’ work on our Facebook page.
Other related Autocad 2d Blog Posts:

• Autocad 2d basics
• Autocad 2d introduction
• Autocad 2d drawing
• Autocad 2d workspace
• Autocad 2d isometric