> > On Mon, Jul 8, 2019 Hans Dybkjaer, > [email protected]> wrote: > When I fold corner to corner I make a diagonal fold and I have created a diagonal crease. When instructing I can tell them to fold corners to corners, or to make the diagonals. When I fold side to side I make a book fold and I have created a ... what? When instructing I can tell them to fold sides to sides, or to make the ... what? Certainly not the books :-)
Hello Hans, I would simply say that, in parallel with the diagonal term, when you fold side to side, you mark the median fold, and you have created a median crease on the median line. Geometry terms apply to every crease, I think. Maybe you can even say middle line/fold/crease. (-: hth , and thanks for the vocabulary in Danish Claire On Wed, Jul 10, 2019 at 2:00 PM Mary E. Palmeri <[email protected]> wrote: > On Mon, Jul 8, 2019 at 11:53 AM Chila Caldera <[email protected]> wrote: > > > > On Mon, Jul 8, 2019 Hans Dybkjaer, Papirfoldning.dk < > > [email protected]> > > wrote: > > > When I fold corner to corner I make a diagonal fold and I have created > a > > diagonal crease. When instructing I can tell them to fold corners to > > corners, or to make the diagonals. > > > When I fold side to side I make a book fold and I have created a ... > > what? When instructing I can tell them to fold sides to sides, or to make > > the ... what? Certainly not the books :-) > > > > //////////////// > > > Hello, Hans! When I teach my classes at my local library, I use the > > following terminology: > > > 1) Two Diagonal Folds results in an "X" on the opened-up square. > > > 2) Two Book Folds results in a Cross on the opened-up square. > > > Hi Hans and Chila, > I follow much the same procedures and language as Chila when I teach. > Diagonal folds make an "X" and book folds make a "+" ('cross')... I find > those are the clearest ways to explain the results of the two types of > folds. > Mary Ellen >
