In this video you will learn (at least) 20 tips to speed up the creation of UV maps. Below you can find an overview of all tips.

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Tip Overview:
01:13 – Tip 01: Generate UVs
01:59 – Tip 02: Mark / Clear Seam & Unwrap Shortcuts (Edit Mode / Ctrl + E & U)
02:55 – Tip 03: Smart UV Project (Edit Mode / U → Smart UV Project)
04:48 – Tip 04: Project from View (Edit Mode / U → Project from View)
05:20 – Tip 05: Live Unwrap (Edit Mode / Tool Shelf → Options → Live Unwrap)
05:53 – Tip 06: Tag Seam (Edit Mode / Tool Shelf → Options → Tag Seam)
06:40 – Tip 07: Keep UV and Edit Mode Mesh Selection in Sync (UV/Image Editor → Header)
07:59 – Tip 08: Mirror Seams (Edit Mode & Edge Select / Shift + G → Seam / 3D View → Header → Select → Mirror)
09:16 – Tip 09: Changing Island Margin (Edit Mode / U → Unwrap / Operator Panel → Margin)
09:40 – Tip 10: Changing Unwrap Method (Edit Mode / U → Unwrap / Operator Panel → Method)
10:35 – Tip 11: Island Selection (UV/Image Editor → Header → Island Selection)
11:29 – Tip 12: Protect Islands (UV/Image Editor / P & Alt + P)
12:27 – Tip 13: UV Sculpt (UV/Image Editor → Tool Shelf → Options → UV Sculpt)
13:22 – Tip 14: Show Stretching (UV/Image Editor → Properties → Display → Stretch)
15:32 – Tip 15: Average Island Scale (UV/Image Editor / Ctrl + A)
16:02 – Tip 16: Live Unwrap (UV/Image Editor) → (UV/Image Editor → Tool Shelf → Options → Live Unwrap)
17:21 – Tip 17: UV Grid Texture (UV/Image Editor → Header → New)
18:37 – Tip 18: Multiple UV Maps (Properties Editor → Object Data → UV Maps)
21:36 – Tip 19: Draw other Objects (UV/Image Editor → Properties → Display → Draw other Objects)
22:37 – Tip 20: Texture Atlas Addon (Properties Editor → Render → Texture Atlas)
24:07 – Tip 21: Selecting Islands in 3D View (Edit Mode / Face Select / L)