This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Double fold.svg en The procedure of making double fold in paper test piece making fold first backwards then forwards about the same line sv Tillvgagngssttet fr att stadkomma en dubbelvikning hos en pappersremsa att frst vika bakt sedan framt kring en gemensam vikningslinje own Nilsjohan Paper
Page 2023 Free-images.com. All images are Public Domain