Various auxiliary lines will be needed in order to draw the part. Since these auxiliary lines must not appear in the final drawing, they will be in a different layer from the one used for the finished model.
- Open the layer management window, which is found in the Utilities->Layers
menu.
- Create two new layers called “aux” and “ok”. Enter the name for each layer in the Layers window (Figure 1) and click New
.
- Choose “aux” as the activated layer. To do this, click on "aux" to highlight it and then click on the Layer To Use
button. (The name of the activated layer will appear next to the button, "aux" in this case.) From now on, all the entities created will belong to this layer.
Figure 1. The Layers window
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