Also, I have ~3.5m worth of orange velvet offcuts now.

A little-appreciated testament to the mathematical and technical capability of the Gallifreyan civilisation (and the BBC's costume department):

Those V-shaped contrasts are made out of three pattern pieces each and are flipping fiddly to get lined up correctly. Maybe this is why Time Lords wear collars that are designed to ensure they can't raise their arms... so you can't see the awkward join at the side-seams.