Special Tool from bone for folding of Paper and cardboard. For straight folding lines, use a ruler as a guide and rub a groove in the fold with the folding leg. Paper Then turn the Paper folding leg over at the edge of the fold and stroke the straight side of the folding leg flat again over the previously folded Paper
line Papers .
With this technique, paper or even cardboard can be folded precisely and cleanly. A folding leg is indispensable, especially when tinkering with nesting templates. Simply pull the folding leg along the given folding lines of the template and the box can be erected almost by itself.