You can create your own weldment profiles to use when creating weldment structural members. You create the profile as a library feature part, then file it in a defined location so it is available for selection.
1.Select the Front Plane and then select the Sketch option
2.Select the Polygon toll in the Sketch toolbar. Enter 6 in the Parameter column
3.Create the sketch as shown below. Click Exit Sketch
4. Select the Configuration tab in the Manager tabs. Right Click on the Part 7 and then select the Add Configuration… option in the dropdown menu.
5.Add Configuration is opened Enter 50mm in the Configuration name: Column 50 mm Configuration is created. Similarly Create the 60mm Configuration.
6.Double Click on the 60 mm Configuration to make it active.
Right click on the sketch and select the Edit Sketch in the drop-down menu.
Double click on the 50mm length dimension, enter 60 and select the This Configuration option. Click OK. Similarly, you can configure number of dimensions under one configuration.
7.Select the sketch and click on Save As option in the Menu Bar. Save As Dialog Box will appears.
8.Create a new Folder named Polygon in the given Location C:\Program Files\SOLIDWORKS Corp\SOLIDWORKS\data\weldment profiles
Enter Hexagon in the File name and Select Lib Feat Part(*.sldlfp) format in the Save as type : drop down list Click on Save button.
After saving you will see L icon in the created Sketch which indicates sketch is created as library feature file. (If you get any warning, you can save it at different location and then paste it into the given location)
9.Create any desired Sketch and Click on Structural Member tool in the Weldments tool bar.
In the structure member manager click on the standard:drop down menu you will find the polygons.
10.Configured Profile you will find the Hexagon- Configured option.
In Size: drop down you will find 50mm and 60mm option select 50 mm option.
In path segments: select the skecthed lines for xreating the structure.