Creating, editing, and deleting symbols
Symbols are objects that are defined once and can be referenced many times in a drawing. You can have multiple instances of a symbol in a drawing with little impact on file size. Symbols make editing a drawing quicker and easier, as changes made to a symbol are automatically inherited by all instances.
Symbols are created from objects. When you convert an object to a symbol, the new symbol is added to the Symbol manager, and the selected object becomes an instance. You can also create a symbol from multiple objects. You can edit a symbol; any changes you make affect all instances in a drawing. The selection handles for symbols differ from those for objects. Selection handles for symbols are blue; selection handles for objects are black. You can also delete a symbol instance and purge unused symbol definitions. Purging removes all symbol definitions that are not instanced in a drawing.
Using symbols for objects that appear many times helps to reduce file size.
To convert an object to a symbol |
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Symbols cannot span layers. If you convert objects on different layers to a symbol, the objects are combined on the topmost object’s layer. For more information about layers, see “Working with layers.”
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You can also convert an existing object or objects to a symbol by dragging the object or objects to the Symbol manager docker.
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To make a linked symbol internal |
If there are other instances of the symbol in the drawing, you are given the choice to break links to all instances. If you do, the internal symbol will then apply to all the instances.
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To edit a symbol |
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You can also edit a symbol by selecting an instance in the drawing window, and clicking the Edit symbol button on the property bar or holding down Ctrl and clicking a symbol.
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While editing a symbol, you can insert an instance of another symbol, which creates a nested symbol. You cannot, however, insert an instance of the same symbol.
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To edit a linked symbol |
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In the Symbol manager docker, click the active document, and choose a symbol from the Symbols list.
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To delete a symbol |
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When you delete a symbol, it is removed from the Symbol manager, and all instances of the symbol are removed from the drawing.
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