https://www.dropbox.com/sh/e2sni5wwchdg ... NuANa?dl=0
There are still photos, a photo copy of my layout drawing for drill templates, and a tutorial video (27 1/2 min). The video even has slapstick humor as I accidentally bash things while handling my Alpha base tube and a wheel in my cluttered shop.

The repair material used is 1/8 thk x 12" x 24" polypropylene sheet from Industrial Plastic Supply's web site.
Frank Colver