What is the difference between the Board Geometry / Outline and Board Geometry Design Outline, which is most preferable while creating a PCB board.

Question

Hai community, 
 I had a doubt, when i am creating a Board Geometry outline, i can seen 2 different subclass in Version 17.4 onwards, which will be more preferable for PCB board creation, is it just the outline or is it better to use the design outline as the subclass, also should i use the cutout also along with the Design outline subclass.

mahimag · Answer

Hello RohitRohan , The board files in the16.6-2015 release contain the board outline and cutout data on the BOARD GEOMETRY/OUTLINE Subclass. When moving the design to the 17.2, onwards release, these geometries get copied to the new DESIGN_OUTLINE and CUTOUT subclasses. I recommend to use newer Design Outline and Cutout classes/subclasses. These new subclasses provide greater capabilities in the PCB Editor to leverage the board outline in various ways. I remember some of them and listing the same below: Enhanced DRC capabilities &ndash; Object to board outline checks 
 Pad to board edge Mask to cutout and/or board edge Cutout to board edge Rigid-flex support &ndash; Zone creation Trimming of zone edges to DESIGN_OULTINE edge 
 ECAD/MCAD collaboration Facilitates independent management of board outline and cutouts Eliminates the need to determine what is outline and/or cutout from other objects Ensures enhanced STEP Export of outline and cutouts 
 Manufacturing Eliminates the need to determine what is outline and/or cutout from other objects 
 The new DESIGN_OUTLINE subclass is a shape that defines the outline of the PCB, flex, or rigid flex. The OUTLINE subclass might still be used to define the outline because there is no requirement for the outline to be a closed polygon, though it has always been preferred.

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What is the difference between the Board Geometry / Outline and Board Geometry Design Outline, which is most preferable while creating a PCB board.

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