CAD tip # 10574:

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Four methods for exploding blocks in AutoCAD.

When exploding blocks (block references) inserted in an AutoCAD DWG drawing you will get by default the original block definition. If your block has variable attributes, this standard explode will loose their values - they are replaced with attribute definitions - AttDef. Als the block appearance may change (color, linetype, transparency) depending on the method used to set properties (bylayer, byblock).

The following picture illustrates different methods of exploding a block with attributes, created in multiple layers and inserted into a layer with preset color (blue):

The command EXPLODE explodes the block reference to its original definition (definition entities).
The command ExplodeIP ("inherit properties", from the ExplodeIP utility - see Download) sets the properties of exploded objects to the layer properties of the layer which hosted the given block reference.
The command XPLODE with its option "Inherit" will keep properties of the block reference - it will change it visually (except attribute values)
The command BURST from Express Tools keeps visual fidelity and also the entered values of variable attributes from the respective block reference.

ACAD

*CAD

9.11.2015 70223×

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applies to: AutoCAD ·

See also:
Tip 12569:	How to Explode a ViewBase generated from a 3D model?
Tip 12237:	UnfoldRS - unfold 3D surfaces to 2D in AutoCAD.
Tip 11757:	How to change blocks properties ex-post: annotative, allow exploding, scale uniformly
Tip 11497:	Automatic grouping of drawing objects.
Tip 9852:	How to convert 3D CAD solids to Revit parametric BIM families?

Selected tip: Accessing old versions of the IMAGE and XREF commands.

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