Sewing Mannequins, or dress forms, are used to fit clothes to the exact measurements of the person for whom they are being made.Dress forms are also useful when "draping" a pattern because they demonstrate the realist contours of the female body.
Sewing Dummies are very advantageous to own if you do a lot of custom sewing, and finding the perfect mannequin is up to just a few key points.
If you're smaller in stature, say a size 4 to 6 in American sizes, you can usually use a vintage retail manikins, but if you're at all plus sized, a size 14 or up, then you should find an adjustable dress form.Look on eBay for all the sewing mannequin options for sale, new or used!