Clo3D tutorial on making the waistband with internal elastic tape. It works great with elastic cuffs as well.
Link to the project file: https://www.dropbox.com/s/vjc7evokzn6hnem/Waistband.zprj?dl=0
—Timestamps—
00:00 Intro
01:22 Create an elastic pattern
04:02 Change the fabric type
05:05 Attach to measure line
05:42 Make the top and inner parts
08:38 Adjust fold angles and seamlines
10:08 Detach from the measure
10:36 Add elastic option
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