Biggest AutoCAD DXF File You Ever Encountered?

Just out of curiosity, what was the biggest DXF file you ever had to deal with? 1GB? 15GB? What was it?

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here. All logos and trade names are the property of their respective owners.