You will need:
A scrub top pattern that you like (aside from the neckline finish!)
A bit of extra fabric for binding. You'll probably have some scraps that will be plenty large after you cut out your scrubs. You can skip all of the "making the binding" steps if you find commercial bias tape that is a color and width you like, but I wanted a fabric match and a different width, so I'm including the how-to for that.
Spray starch
Straightedge ruler
Chalk for marking
Fabric glue stick or basting tape
First you need to prep your pattern. Since you will be binding the neckline, you want both back and front necklines to be at their finished height. That is, remove any seam allowances for facings.
Now make the pattern for your bindings. For the back, cut out a rectangle that is the length of your back neckline plus an inch or two for shaping, and four times the finished width. For example, my back neckline is 9 inches long, and my finished binding width is 3/4 of an inch, so my back binding is 10 1/2 inches long and 4 inches wide. For the front binding, you will need two pieces (one for each side of the V), the length should be a little more than the length from the shoulder to the point of the V, and the same width as the back. Remember that you will be cutting these out on the bias so that they will stretch and conform to the curve of your neckline.
Now you are ready to apply the neckline! I do this as my first step in construction. You can do it when you want, but it does need to be done before you sew the shoulder seams.
For the front neckline, you need to form the V from your two strips. To determine the angle that you need to sew, line one piece of binding up just as it will be sewn to the neckline, then with your straightedge, draw a line on your binding along center front like so...
This is your cutting line. Now take your other piece of binding and open it out - just the first fold and put the two wrong sides together, like so -
You can see my chalk line on top. Now fold them back together. The one with the chalk mark will fold along the crease, the other piece will be folding against the crease.
Now cut along your chalk line -
Unfold and put the two right sides together with the V's matching up. Sew with a 1/4 inch seam allowance. Be sure to pivot at the corner with your needle in the crease. Now trim your seam as closely as you can, particularly at the points. Here's mine with only one side trimmed.
Now press the seams as flat as you can. I just mash it with the iron. It's hard to press them open, since you've trimmed them so short.
If you have any threads that hang over the folded edge trim them off. They'll show.
Here's what it should look like now! It's ready to be attached to the neckline. Now for the big secret... Glue!!
Get your fabric glue or basting tape and glue that baby down where you want it. This way, when you sew it on the layers won't slip and your edgestitching will catch both sides of the binding.
Now edgestitch it down, pivoting with your needle in the seam at the point of the V. Isn't it pretty? It looks just as nice on the other side.
For the back, just glue down the binding the same way, and edgestitch it down. It curves a bit, but your tape has plenty of stretch, so just contour it as you are glueing. Afterward, it may try to curve in or out. Just press it down withe the iron and it will lie nice and flat.
Here are the front and back, ready to be sewn together at the side seams. Now you can finish construction on your top however you like. Neckline's done!
As pretty inside as it is on the outside!
As a final note, if you want your scrubs to be reversible this is the perfect neckline finish. All you have to do is add an inside breast pocket and flat fell your seams. Instant reversible scrub top!