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How to clean up oversized files in Auto CAD: the reasons for the enlargement of Auto CAD files and the cleaning methods.
CAD oversize file cleaning course:

Step 1: Let's find a test example. The file itself is 10 1M, which cannot be removed by any conventional means:

Step 2: Download a LISP program:

Step 3: Load the dictionary. LSP in CAD.

Step 4: Carry out regular cleaning. In this example, an ordinary block write command is used, and only 700 k files are cleaned: