The FO units were made by using Strathmore 500 Series 3-ply Bristol card stock which was cut by a laser cutter based on the 2D folding patterns (Fig. 1a) generated by Mathematica 10.2. The edges were taped to form the 3D units. For the 1D and 2D cellular structures, units were glued with the facets, such as facets CEIG or CDHG (Fig. 1a), using double sided tapes.
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