This was modelled in Blender after a real existing wine glass from the early 19th century (pre 1840). It has real world dimensions and meassures 15cm in height.
BLEND (Blender, filesize: 559 KB), OBJ (OBJ, filesize: 22.7 KB), FBX (Autodesk FBX, filesize: 61.9 KB), 3DS (3D Studio, filesize: 36.9 KB), STL (Stereolithography, filesize: 114 KB)