Abstract

Origami patterns have been used in the design of deploy- able arrays. In engineering applications, paper creases are often replaced with surrogate folds by providing a hinge-like function to enable motion. Overconstraint ob- served in multi-vertex origami patterns combined with imperfect manufacturing may cause the resulting mech- anisms to bind. The removal of redundant constraints de- creases the likelihood of binding, may simplify the over- all system, and may decrease the actuation force by re- ducing friction and other resistance to motion. This pa- per introduces a visual and iterative approach to elim- inating redundant constraints in origami-based mecha- nisms through joint removal. Several techniques for joint removal are outlined and illustrated to reduce overcon- straints in origami arrays.

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