A pipe which includes two elbows, parallel
to right surface of cube, enters from the
lower left and escapes to the upper right.
You can relocate elbows by moving control
handle.
Double Elbow 2
Double elbow parallel to left surface of
cube, enters from the upper left and escapes
to the lower right. you can change length
by moving handle at end point.
Double Elbow 3
Double elbow parallel to top surface of cube,
enters from the lower left and escapes to
the upper right.
Double Elbow 4
Double elbow parallel to right surface of
cube, enters vertically from
the top left
and escapes to the right bottom.
