Terms containing shape of surface

Subject	English	German
tech.	retain of shape of surface	formtreue Oberflaeche
opt.	shape of optical surfaces	Form optischer Flächen
tech.	shape of surface	Oberflaechengestalt
opt.	shape of the surface	Flächenform
met.	the shape of the surface can be ribbed, checkered	die Oberflaechenform kann gerippt, gerieft sein