I want to create a Custom Weldments square tube as shown in the video. But I am unable to save the Custom Weldments Size file as shown in the folder of the video. But I am able to save in the folder suggest by dialog box. I use 2016-2017 student edition.

Entire video running time is 5.27min. Therefore I didn’t give any event occurrence time.

How to create Custom Weldments Profile in Solidworks | Solidworks tutorial - YouTube