Links:
     Ferrule Placement - 2 Piece Rod - Thomas Penrose
     Ferrule Placement - 3 Piece Rod - Thomas Penrose
     Brad Love's Ferrule Making Pages
     The SuperZ Specifications on Chris Bogart’s Site
     Bamboo Ferrule Making 101 (Chris Raine)
    Care and Feeding of Bamboo Fly Rods (Ferrule Fitting) (Chris Raine)
    Tom Smithwick’s Ferrule Making Instructions

Video:

      Chris Raine has put together a great series of videos about
      making ferrules from tubing.  Here are links to the videos in
      order:

            First process
            Facing off male moisture check
            More on facing off of male moisture check
            Turning down male slides
            Moisture check details
            Turning taper on male
            Making ferrule serrations
            Machining bands for female welts
            Tapering female tubes
            Soldering welts onto female tubing
            Turning female welt
            Facing off welt on female tube
            Detail of female welt
            Fitting male slide - part 1
            Fitting male slide - part 2
            Prepping files and measuring ferrules
            Final fitting of ferrules

Files:
      Stepdown Ferrule Dimension Spreadsheet
      David Bolin’s Ferrule Dimension Spreadsheet