Well Done Meemers!
I did an Apple Core Table Runner course a few years ago for the same reason ... to learn more about doing curved seams. Another tip is to mark the centre of the two pieces so you can match them. If a longer curve, then match at 1/4 or more often. Just do it by folding and use the crease, or a fine line ..... or pins!
I learned it was something NOT to do if my patience level was low. And yet, found it to be very relaxing to sit and sew, not trying to win a race!!! In no time the runner was together ... then it sat, as I feared the quilting part more. Alas, done!!!!! :)
Apple Core Table Runner
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