Are you looking to make your 3D view appear bigger on a sheet in Revit? Here's how you can do it in just a few simple steps.

1. Open your Revit project and navigate to the sheet where the 3D view is located.

2. Select the 3D view on the sheet that you want to make bigger.

3. With the 3D view selected, go to the 'View Control Bar' at the bottom of the screen and locate the 'Scale' option.

4. Click on the 'Scale' option and choose a larger scale value from the drop-down menu. This will adjust the size of the 3D view on the sheet, making it appear larger and more detailed.

5. Once you have selected the desired scale, the 3D view on the sheet will automatically update to reflect the new size.

Making your 3D view bigger on a sheet in Revit is a quick and easy way to showcase more detail and improve the overall presentation of your project. Give it a try and see the difference it makes!