a 2*pi/a a 00 a 2*pi/a 00 2*pi/a a 00 b 2*pi/a 00 2*pi/b a 0a/2 a*sqrt(3)/2 2*pi/a -2*pi/a/sqrt(3)0 4*pi/a/sqrt(3) a 0sqrt(b*b-a*a/4) a/2 a 0sqrt(b*b-a*a/4) a/2 a 0b*sin(phi) b*cos(phi) 2*pi/a -2*pi/a/tan(phi)0 2*pi/b/cos(phi) a 0 0 0 a 0 0 0 a 2*pi/a 0 0 0 2*pi/a 0 0 0 2*pi/a a 0 0 0 b 0 0 0 c 2*pi/a 0 0 0 2*pi/b 0 0 0 2*pi/c a/2 a/2 0 a/2 0 a/2 0 a/2 a/2 2*pi/a 2*pi/a -2*pi/a 2*pi/a -2*pi/a 2*pi/a -2*pi/a 2*pi/a 2*pi/a a/2 a/2 -a/2 a/2 -a/2 a/2 -a/2 a/2 a/2 2*pi/a 2*pi/a 0 2*pi/a 0 2*pi/a 0 2*pi/a 2*pi/a a 0 0 0 a 0 0 0 c 2*pi/a 0 0 0 2*pi/a 0 0 0 2*pi/c a 0 0 0 b 0 0 0 c 2*pi/a 0 0 0 2*pi/b 0 0 0 2*pi/c a 0 0 a/2 a*sqrt(3)/2 0 0 0 c 2*pi/a -2*pi/a/sqrt(3) 0 0 4*pi/a/sqrt(3) 0 0 0 2*pi/c 0 0 0.5 0 0 0.5 0 0 -0.288665771484375 0.5773468017578125