Asides being a lawyer,i am also a fashion designer.i am passionate about it and i intend writing a bit on what i have i learnt in the course of making dresses for a year.
In preparing dresses/wears,there are basic things to look out for......
1.Determine the basic shape of the individual
a.An apple shape:can wear A line,ballgown.
b.A pear Shape:can wear trumpet or ballgown
c.An hourglass:can wear mermaid,sheath gown
d.petite Body:can wear sheath,mermaid.
2.choose your fabric:select materials that will work for the style.most times i basically try out dresses on multiple fabrics example chiffon and ankara,jean and organza or silk on ankara as seen below
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3.choose a colour that fits the individuals complexion:This is very important.
Chocolate needs bright colours eg lightpink,burgundy,cream etc.
This colour blended well 
4.sketch what you want your dress to look like,both front and back.sketch all details including the accessories.
5.Height.. Short people should not wear certain clothes to avoid a fashion disaster eg tea-length dresses,full ball gowns.
To all aspiring/fashion designers ,hope you found this piece educative...
Thanks.