Pensieve header: A crossing ... continues FlyingPogs at pensieve://2015-06/.

SetDirectory["C:\\drorbn\\AcademicPensieve\\Talks\\DaNang-1905"]

Pog::usage = "Pog[R,r,h,v,m] represents a standard + crossing pog of radius R, height 2h, translation v, rotation matrix m, and tube radius r.";
Pog[R_,r_,h_,v_, m_] := GeometricTransformation[
{
Green, Opacity[0.3], Cylinder[{{0,0,-h},{0,0,h}},R],
Opacity[1], CapForm[None], {
Red, Tube[BSplineCurve[{{1,0,0},{0,0,-h},{-1,0,0}}], r],
Blue, Tube[BSplineCurve[{{0,1,0},{0,0,h},{0,-1,0}}], r]
}
},
AffineTransform@{v,m}
]

?Pog

pog=Graphics3D[Pog[1,0.1,0.25, IdentityMatrix@3,{0,0,0}],
ViewPoint->{1.31432,-2.19308,2.21653},ViewVertical->{-0.0112686,0.0259074,0.999601}]

Export["Crossing.png",pog]