Hinge for angles from 0° - 180°
Didaktik-Kolloquium am 26. November 2010
Friedrich-Schiller-Universität Jena
Fold both ends to the centre using the precreases.
Fold short double layer over long double layer.
Fold opposite double layer
on top of the stack.
Sharpen all creases of the stack.
Open again.
Heinz Strobl www.snapology.eu