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Jog Fixed Length vs Non-fixed Length
The Jog tool adds material to a sheet metal part by creating two bends from a sketched line. The Fixed projected length check box can be used to maintain the original length of the part. If you check the Fix projected length check box, material is added to create the height of the offset and hold fixed edge of the part. If you uncheck the Fix projected length check box, no material is added to the part to make the jog, resulting in a shorter length flange.

To do this, create an 8 x 14 rectangular base flange. Click the Jog button in the “Sheet Metal” toolbar, or pull down the “Insert” menu and pick Sheet Metal – Jog. Sketch a horizontal line 4.00 from the edge of the base flange, as shown in Figure 1.

Figure 1

In the Jog PropertyManager, under Jog Offset, set a Blind Offset Distance of 2.50. Check the Fix projected length check box. As you can see, as shown in Figure 2, the overall length of 8.00 is preserved. The upper flange remains approximately 4.00 in length. The unfolded part size is increased to hold the 3D folded dimensions.

Figure 2

In Figure 3, the Fix projected length check box is unchecked. As you can see, the length of the upper flange is shorter. No material is added to the part to make the jog because SolidWorks uses the the fixed length of 8.00 to create the jog rather than adding material to the part. The flat pattern length remains 8.00.

Figure 3

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