french seam

french seam
Function: noun
Date: circa 1890
: a strong seam stitched on both sides of the fabric to enclose all raw edges
-merriam webster online

appliqué

ap·pli·qué
Function: noun
Etymology: French, past participle of appliquer to put on, from Latin applicare
Date: 1801
: a cutout decoration fastened to a larger piece of material

Function: transitive verb
Inflected Form(s): appliquéd; appliqué·ing
Date: 1864
: to apply (as a decoration or ornament) to a larger surface : overlay

sewist

sewist
: relatively new term, combining the words "sew" and "artist", to describe someone who creates sewn works of art.
-wikipedia