Altium NEXUS Documentation


Created: May 2, 2019 | Updated: May 2, 2019
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Parent page: MultiBoardAssembly Commands

The following pre-packaged resource, derived from this base command, is available:

Applied Parameters: None


This feature is used to check for collisions between the various constituent entities of the multi-board assembly. Collision checking is performed between each PCB and the top and bottom enclosures/cases, as well as between the PCBs themselves.

For a high-level look at multi-board design within Altium NEXUS, see Designing Systems with Multiple Boards.


This command can be accessed from the Multi-board Assembly Editor by:

  • Choosing the Tools » Check Collisions command from the main menus.
  • Using the Ctrl+K keyboard shortcut.


After launching the command, the software checks for collisions between the various entities involved in the multi-board assembly. First, each board is checked for collision with the upper and lower enclosure/case parts (STEP parts), followed by checking between the boards themselves (PCBs). Any collisions will be reported through the Messages panel, and the offending objects highlighted using the Violation system color.

Use the Details region of the Messages panel to investigate which component on a board involved in a conflict is causing the collision.


Collision checking will be carried out between all boards and the enclosure/case parts, regardless of a board's/part's visibility in the workspace.

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