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. 2018 Mar 3;11(3):376. doi: 10.3390/ma11030376

Table 3.

Single material crossfolding.

Horizontal Hinge Thickness Folding Sequence Open Sequence Maximum Folding Times Crack with Visual Inspection
0.5 mm With hole 2 + 1 1 + 2 3 Less 1 = Folding line 1
2 = Folding line 2
Maximum folding times
(Number of times cross-folded)
1 + 2
Without hole 2 + 1 More
1 + 2
0.3 mm With hole 2 + 1 1 + 2 1 Less
1 + 2
Without hole 2 + 1 More
1 + 2
0.1 mm With hole 2 + 1 NA NA Break
1 + 2 1 + 2 Less
Without hole 2 + 1 NA Break
1 + 2 1 + 2 More