Octgonal Flower, Paul Jackson

Hyperbolic Parabola, Paul Emmet

Tube thingy, unknown Author


Does anyone know the author/name of the tube thingy? I saw it in Paul Jackson's book and couldn't find any diagrams in the book... It was so simple I eventually figured it out...
And finally, the stuff I promised to fold for my friends:

(Penguin from Origami zoo, Dragon in Flight by Charles E., Rose and stem by ? and Fox by Brill)