00:09You might use as you create a drawing.
00:12We'll begin by looking at layers.
00:14Layers allow you to organize the objects in your drawing.
00:18You can group similar objects so you can easily turn them off or on for displaying or printing.
00:24And you can lock layers to prevent unwanted changes.
00:30I'll open the Layer Properties Manager.
00:33This is where you create and manage your layers.
00:36I'm going to add a new layer called Objects to this drawing.
00:40I double-click to make it the current layer so that the objects I draw are added to it automatically.
00:45I'll start drawing using the Line command.
00:49Typically, when you start a command, you'll be prompted to input a value or specify an option.
00:55The input expected is displayed as a prompt in the command line
00:58and as a tooltip near the cursor if dynamic input is turned on.
01:03I'll turn dynamic input off for now.
01:07To indicate the first point of my line, I click in the drawing area.
01:11Now I'm prompted for the next point.
01:13I drag the cursor and click again.
01:15The Line command continues to prompt for additional points until I end the command.
01:21To end, I can press Esc, Enter or the spacebar, or I can right-click and choose Enter from the
01:27menu.
01:28To control drawing precision, I can choose from a variety of drafting aids.
01:33For example, the Ortho Mode button constrains me to vertical and horizontal lines as I draw.
01:41I'll turn Ortho off again.
01:45Object snaps, also known as Osnaps, allow me to easily place new objects in relation to existing objects.
01:52I'll use the Endpoint object snap to connect a new line to the end point of the existing line I've
01:58drawn.
01:59The Autosnap marker makes it easy to know which object snap is being used.
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