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Creating Assembly Bounding Box in SOLIDWORKS 2019

Article by Mersedeh Zandvakili created/updated September 14, 2018

Starting in SOLIDWORKS 2019 you don’t need to save your assemblies as parts in order to insert a bounding box for them. The assembly bounding box can be created directly in the assembly level using the same calculations that were used previously in the part level.

Creating a bounding box directly from your assembly will save lots of time in getting the footprint of your products. You are also able to modify your assembly in real-time and analyze how that affects the overall size of the final product.

Creating a SOLIDWORKS Assembly Bounding Box

To insert a new bounding box in the top-level assembly, click on Insert > Reference Geometry > Bounding Box. Every assembly can contain ONLY one top level bounding box.

Inserting an Assembly Bounding Box

Inserting a Bounding Box for an Assembly

As soon as the bounding box is created, it will appear in the Feature Manager Design Tree. From here you can click on the bounding box and select Hide/Show or Suppress/Unsuppress.

The top level bounding box will appear in gray color, while a sub-assembly bounding box will appear as blue and a part level bounding box will appear as orange in the top level assembly.

Bounding Box for the Top Level Assembly

Bounding Box for the Top Level Assembly

Bounding Box for a Sub-Assembly Shown in the Top Level Assembly

Bounding Box for a Sub-Assembly Shown in the Top Level Assembly

Bounding Box for a Part Shown in the Top Level Assembly

Bounding Box for a Part Shown in the Top Level Assembly

Now that you have created your assembly bounding box, how can you see it’s properties?

This can be easily done from the Feature Manager Design Tree. In order to see the properties you can hover over the bounding box feature in the tree or click File > Properties > Configuration Specific.

Assembly Bounding Box Properties

If you change the components in your assembly, the bounding box will have a rebuild icon next to it and needs to be updated. To update the bounding box, right click on the bounding box feature in the Feature Manager design tree and click Update. 

Updating Assembly Bounding Box

Please note that the SOLIDWORKS Assembly Bounding Box will include SpeedPak faces and Bodies but doesn’t include SpeedPak ghost graphics. So after creating a bounding box, you are still able to change an existing component to SpeedPak or insert a SpeedPak sub-assembly into the assembly.

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Mersedeh Zandvakili

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