Well to make my dress for my mage su, i just used one of my own tight shirt's.
Fold the fabric in half and put the long sleeve shirt on top of the fabric. trace out the design except for the bottom which you will stretch out for the dress. But leave alittle space around the shirt so when you sew the fabric together, you will still have space to sew and not make it so tight on you.
need any more advice, just PM me ^^;
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