casing elastic & elastic placement tutorial

When it comes to elastic in my diapers I do it the same every time.  Same placement and I always tack and case.

Here is how I place my elastic: where the curve starts for the back of the leg.  Place a pin this is the back placement where you tack your leg elastic.  

Now directly above that is where your back elastic is tacked.  

Repeat in other side. 

The point where your front edge turns and your leg starts.  Pin.  This is where the you will tack the front of your elastic 

Tack your elastic down with a zigzag stitch.  This will hold it firmly and should you ever need to replace your elastic it is easy ti seam rip.  You'll notice the elastic is tacked in the seam allowenc .  (The part that is usually trimmed off), make sure your stitches do not cross the seam allowence into the diaper.  

Stretch that elastic as tight as possible to the other pin and tack then cut.  Repeat this for the legs.  I find this gives a sure fit much better then measuring a specific length.  

Now trim seam allowance except where you tacked elastic.  Turn right side out.  

As you are top stitching (straight stitch) each time you come to a place where your elastic is tacked come into the diaper a little so you are beside the start of the elastic.  Lower your needle into the fabric.  Then stretch the diaper out pulling the elastic taunt.  Hold your right hand where elastic ends.  Your left hand behind where it starts.  It is best to sew this in one smooth continuous run.   Come back in with your top stitching nearer the hem for areas that don't have elastic.