Block Referencing for Noobs

[mzjensen]

Here are some options for you. Similar discussions are linked below.

Block.Blockreference not working

@VAparici this happens frequently with dynamic blocks and is caused by anonymous block names. If you select a block and do the LIST command, you’ll see that some of them have an anonymous name: [Anonymous Block] When the dynamic properties of a dynamic block are manipulated, the changes are stored behind the scenes as anonymous blocks. An anonymous block is created for each different state of the dynamic block in the drawing. The anonymous naming allows the same block to be different by changi…

Creating a new BlockReference doesn't copy DynamicProperties along

There are a few things going on here. Dynamic blocks have an additional name called the anonymous name that kicks in as soon as you change any dynamic attribute. This is because there can’t be multiple instances of a block reference in AutoCAD that have different values. You can test this by using the INSERT command to insert a new instance of the A$Ce3b14a25 block into the drawing. If you select the block and run LIST, there is no anonymous name: [OriginalName] But once you change any dynamic…