It took me some time to get all these layers straight in my mind but I will list each one here before we begin as a reference.
Backing strip - goes of the back of the wadding.
Wadding - goes between the backing strip and the patchwork.
Patchwork pieces - fabric to sew on top of the backing strip and wadding.
Binding to attach quilt sandwich to net
2.25' strip folded in half and ironed (goes on top of netting and below quilt sandwich.)
1.75' strip (goes on top of the netting, folded strip and quilt sandwich )
2.5" strip, folded in half and ironed to bind the outer edge.
Make sure that you have a sharp blade in your rotary cutter before you begin.
backing strip, wadding and patchwork fabric
Backing strip and Wadding - 4" x 55" x 4" of each (or the length of the side of the netting + allowance and 4" wide)
4"x 4" x 4 of each for the corners.
Patchwork edges - various scraps to cover the wadding. They need to be 4” wide but can be various lengths.
The wadding is usually fairly wide and you will have no joins but if you are using scraps you may have numerous joins. The backing strips will have to be joined to achieve the length you want. Cutting those long strips could mean that the end of your ruler will move. To stop this I put a full bottle of water as a weight on the end of the ruler. Also, l use a cut and move up motion as I don’t have a lot of strength in my arms.
Before you start to cut your binding fabric you have to decide if you are going to cut on the straight of grain, that is parallel to the selvedge edge, where there is little stretch to the fabric, or, across the width of the fabric, where there is considerable stretch. Because these are long lengths I cut across the fabric. A bit of extra stretch can come in handy here.
2 x 55” x 2.25” iron in half lengthwise for front ( short sides - no patch work strip)
2 x 60” x 2.25” iron in half lengthwise for front ( long sides- patchwork strip attached)
4”x 4” x 2.25” iron in half for front ( corners)
2 x 55’’ x 1.75” for back ( short sides)
2 x 60” x 1.75” for back ( long sides)
4 x 1.75” for back (corners)
Outer binding - 2.5" wide strips joined to measure circumference (plus 1" for joining) of throw then ironed in half along length.
Sewing Patchwork Sandwich
I use my walking foot for all the machine sewing
Put down your 4” wide backing strip wrong side to the wadding then begin a stitch and flip of the patchwork pieces until the wadding is covered.
Trim back the long edges to 3.5” width and iron flat.
Prepare your corners to make your long edges.
Sew these 3 pieces together.
Flip the folded and back binding outwards from the sandwich and top-stitch
Make a hem on the back binding to match the front binding edge and iron flat.
NEXT: Joining the patchwork strips to the netting.