Detail items in Revit are essential for producing clear, legible, and professional drawings. By customising them, you can control how details appear in different views, improve visual clarity, and ensure your drawings reflect your design intent. The process is simple, and once set up, it gives you much greater flexibility in managing Revit families and their graphic output.
Here’s a step-by-step guide:
1. Open the detail item family
Start by opening the family you want to adjust in the Family Editor. Customising detail items at the family level gives you full control over line weights, line styles, and visibility.

2. Modify Object Styles
In the Manage tab > Object Styles, you can create new subcategories for your family. Add a new subcategory (for example, Heavy Lines) and assign line weights, colours, or patterns. This step lets you organise detail items into logical groups that are easy to manage later.

3. Change the Subcategories
Select elements in the family and assign them to your new subcategories in the Properties palette. This way, you can independently control visibility and appearance for each type of element within the family.

4. Modify Line Weights
Load the detail item family back into your project. In the project, under Manage tab > Object Styles, adjust the projection line weights for your subcategories. These numbers correspond to your global line weight settings, ensuring consistency across drawings.

5. Modify + Apply View Templates
For even more control, go to View tab > View Templates > Manage View Templates. Select the relevant template and adjust the graphics for your new subcategories — line weight, colour, or style. This is where you can start tailoring your drawings to match your project standards.
Once customised, apply your chosen template to the current view. This ensures your detail items appear exactly as you’ve set them.

6. Experiment with Colours
With subcategories in place, you can experiment with different line styles and colours to add depth and clarity to your drawings. Whether it’s distinguishing between elements or making diagrams more readable, the flexibility is now in your hands.

Why Customise Detail Items?
By setting up subcategories and adjusting graphics in Revit families, you gain better control, consistency, and efficiency in your documentation. Instead of relying on default settings, you can adapt detail items to suit your own office standards or project-specific needs.
Customising Revit detail items doesn’t take long, but it pays off in producing drawings that are clearer, smarter, and more professional.
PRO Tip: Once you’ve set up a system you like, save it as part of your Revit template. This way, every project benefits from the same level of control and consistency.
Useful Resources
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