Glad you asked, I decided to use tape to pin miters and fabric
kept pulling (very small space) off ironing board so I used
tape to hold miters, flipped and used ruler and pencil and marked stitching line.
I sewed seam a little too close to tape, I would suggest not
using blue tape, which I now am picking out of seams.
I found after the second seam that it is best to pin tape
but it is a good quick fastener and holds in place.
Still have two more seams to go, with practice I may have
the system down. Since I have five unfinished quilt tops
I will do mitered corners on all so I don't forget the technique.
Thank you, I am so grateful for the time everyone took to
help someone essentially new to the Quilting Board, it is
a Quilter's Paradise. Sorry, couldn't help myself.