The following is an example of the BLOCKS section of a DXF file:
| 0 SECTION 2 BLOCKS | Beginning of BLOCKS section |
| 0 BLOCK 5 <handle> 100 AcDbEntity 8 <layer> 100 AcDbBlockBegin 2 <block name> 70 <flag> 10 <X value> 20 <Y value> 30 <Z value> 3 <block name> 1 <xref path> | Begins each block entry (a block entity definition) |
| 0 <entity type> . . <data> . | One entry for each entity definition within the block |
| 0 ENDBLK 5 <handle> 100 AcDbBlockEnd | End of each block entry (an endblk entity definition) |
| 0 ENDSEC | End of BLOCKS section |