Steps for importing a DXF file in alllegro

To import a DXF file in alllegro:

1. file --> Import --> DXF... enter the DXF in dialog box 2. select the path and set the unit (the unit in the DXF file made by CAD is generally mm, so change it, otherwise, the external block diagram after the import may become very small <to mils>. After the import is complete, change it back to mils And then perform operations such as PCB layout components. Check incremental addition, click Edit/view layers...Z $ y6c % B/8or '|(Note: if the external block diagram itself is exported from Allegro, you do not need to set the unit when importing it again. The principle is very simple ......)% G_4 _ $ w0_txa0 [NF3. select All, select board geometry in the class, and select corresponding items in subclass (generally dimension is used as the external frame reference. After the import, draw the external box file in the outline layer) 4. click map, click OK, and click Import.