Timestamps

0:00 – Width and Nominal Width Correspondence
0:46 – Overview of Current Width Settings
1:08 – Changing Width to Next Width Option
1:26 – Referring Back to Correspondence Table
1:50 – Using Contextual Toolbar to Change Width
2:07 – Changing Width by Selected End 
2:26 – Nominal Width is Updated Automatically
2:37 – Changing Width from Left End
2:46 – Changing Width from Middle
2:53 – Direct Modification of Roof
3:07 – Nominal Width Handlers
3:37 – Length of Roof Changed by Frame Number
3:51 – Using Contextual Toolbar to Change Frames
4:01 – Using Length Point Handlers for Frame Number