eps = 0.01;
infty = 200;

wing_tube_d = 8;
joint_l = 50;
dihedral = 10;

wall = 1.5;


translate([-sin(dihedral)*(wing_tube_d/2+wall), 0,
	joint_l*sin(dihedral) + (wing_tube_d/2+wall)*cos(dihedral)])
rotate([0, 90+dihedral, 0]) cylinder(r = wing_tube_d/2 + wall, h = joint_l);