If you want to change the material of the gusset plate, you can follow the following steps:

1. Double-click the area where the gusset plate is to be paved, drag and place the gusset from the material library on the left, and drag and enlarge the guide view in the upper left corner with the mouse;

2. After finding the required material from the texture library on the left, drag and release it ontothe gusset plate with the mouse in 3D window. After changing the material, right-click the gusset plate and select "Fill" to complete.

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