More to explore:
When I want to make my own fusible bias from any fabric I choose, I use this tool to make 1/4" wide fusible bias tape.
Celtic quilt designs using bias tape!
Diamond Trellis for quilt design. This part could be done with bias tape as if a stained glass quilt.
"How I Applique Celtic Knots" by Raymond K. Houston. He makes large-scale Celtic knot quilts with fusible applique rather than bias tape. Get the how-to here.
~free~ pattern: Celtic Christmas Wreath by Raymond K. Houston. He designs large-scale Celtic knot quilts that can be made with fusible applique rather than bias tape. This is an original design.
I can't figure out how they made this - but I love it. (Note - follow the link to her blog, she tells us how she made it. Now I'm in LOVE with bias tape)
Celtic Knot: FREE Ireland Block of the Month with instructions for bias tape placement
awesome celtic knots to any pattern, from bias tubes of silk. from Threads, of course. How-to in detail here
Weave a Celtic Knot from Silk Bias Strips... like battenburg lace without the needleweaving fillers.