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Now save the family. Start a project and load your newly created family. Create
a wall and insert the family in the wall. I created a family called Tutorial
2, and one called Tutorial 2 final. They are attached. Note that the Tutorial
2 family is only a void. The Final family has the additional model lines.
When they are inserted in a project wall, you see the difference (if your
pen weights increase by number):

Figure 15.
If you now look under the project Object styles, you find that under Generic
Models there are two subcategories, per your loaded family, cut and projection.
Also, remember I created a Wall category with the generic wall type of
“details” Looking down to it you’ll find that subcategory
placed under the overall wall category. You now have complete visibility
control of these model lines as well as their visibility. This example
used the Placement elevation to added Model lines. You can add lines in
plan view similarly using the “cut” category of model lines.
This brings us to another point. If you want to control these line weights
separately by object, you must be careful of your naming convention. If
you want a generic wall “detail “ pen weight, but you name
Specialty equipment Wall “detail” the same name, there will
only be one wall type by the “detail” name in the project.
So when you turn “detail” on or off, or change the pen weight,
both the Generic and the Specialty equipment “detail” wall
type will be affected.
Hope this helps. Feel free to comment, especially if I’ve got it
wrong somewhere or its not clear enough…
There is one more aspect for you to explore. Open Tutorial 2 Final (or
if your tutorial family is still open use it), select the void and select
the option to edit it.
Go to the extrusion properties and select Subcategories from the popup
(figure 16)

Figure 16.
Note that here you can also put the entire void or solid in a subcategory.
The subcategories listed (for this example) are the subcategories we created
under Object styles for the family. The default generic model does not
have subcategories so we created the cut and projection subcategories,
but many default family already have subcategories created. This is
another aspect to controlling the visibility or pen weights at will for
the solid or void in the created family. This is covered in another tutorial,
but for now, be aware this option is there.
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