Validate and Refine Truss Solids in 3D for Valley Conditions

Video Transcript:

 In this video, we’ll demonstrate how to adjust the top cuts of trusses to accommodate valley conditions. Properly defining top chord profiles ensure a clean and accurate fit between different roof elements —especially in complex roof designs. We’ll cover the tools and settings needed to modify truss profiles in three valley conditions.

Let’s get started.

First off, let's make sure your truss envelope view is set to solids. From the options menu click on the truss icon and click to cycle through to solids.

Let's go into our 3D view and quickly review our trusses. Everything looks good, except for the trusses at the valley areas. These all need to be adjusted before we can input our valley trusses.

We can use the 3D view to select the trusses that need adjustment. This makes it easier to view and select specific trusses.

Let's start at the rear porch. We need to select all of the trusses that fall under the valley area. So, press the control button, then from the Multi-Select menu select the Truss Envelopes option. This will allow us to only select trusses. While holding down control, select all the trusses under the rear porch valley area. Spinning the model around may aid in the selection process, so to get a better visual of the ones we need to select.

Next, click to add an additional top cut from the bottom of the properties panel. For the new top cut, select the roof plane that defines the rear of the roof which will redefine the top chord profile.

Press escape to remove the selection.

Let's move to the front porch. Here we will select the trusses that fall under the valley area. Press the control button and select the trusses. If needed spin the 3D view around using the right click or Ctrl Left click. Then from the properties panel we will select to add an additional cut for the selected trusses. Let's click to select the main 6/12 roof plane at the front of the house to cut the trusses back to.

There, that cleaned up these trusses.

 Press escape to clear out any selection.

Next let's move over to the garage area. Here we can select the trusses using the control button that are under this valley area and adjust the top chord profile. Again, spin the 3D model around to get a better view to select the trusses if needed.

We want to reprofile the trusses back to the main roof on the front of the house. Once selected, access the properties panel and add an additional top cut. So, select the 6/12 plane and the trusses will be reprofiled.

Let's spin the model around and take a look at the roof planes and 3D truss profiles. This all looks good.

We hope this video has equipped you with the tools and techniques needed to adjust trusses effectively when working with intersecting roof planes or valley conditions. Mastering this step is key to creating clean, accurate roof truss layouts.

Thanks for watching!