**Reference**:- Erik D. Demaine, Matias Korman, André van Renssen, and Marcel Roeloffzen, “Snipperclips: Cutting Tools into Desired Polygons using Themselves”, in
*Proceedings of the 29th Canadian Conference on Computational Geometry (CCCG 2017)*, Ottawa, Ontario, Canada, July 26–28, 2017, to appear. **Abstract**:-
We study
*Snipperclips*, a computer puzzle game whose objective is to create a target shape with two tools. The tools start as constant-complexity shapes, and each tool can snip (i.e., subtract its current shape from) the other tool. We study the computational problem of, given a target shape represented by a polygonal domain of*n*vertices, is it possible to create it as one of the tools' shape via a sequence of snip operations? If so, how many snip operations are required? We show that a polynomial number of snips suffice for two different variants of the problem. **Length**:- The paper is 6 pages.
**Availability**:- The paper is available in PDF (924k).
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Last updated May 5, 2021 by Erik Demaine.