vastasasuvate tuletatud pindade vastaspunktide komplektide vaheliste kauguste keskpunktide asukoht
locus of centrepoints between sets of opposite points of the opposite extracted surfaces, where the connecting lines of sets of opposite points are perpendicular to the associated median plane
Locus of centrepoints between sets of opposite points of the opposite extracted surfaces, where the associated median plane is the median plane of two associated parallel planes from the extracted surfaces.
