Lace curtain (cardboard)

Curtain cardboard, easy to make from bobbin lace. You can easily reduce the width and height of the cardboard to your liking.
Size 125 cm x 47 cm.

Thread used : linen 18/2 x 3 bobbins - 284 Bobbins ( + /- )

To calculate the length of threads, I use the rule for torchon lace.
( Length of work x 3 ) x the number of bobbins
L 1.20 m x3 =3.60 m x 290 = 1044 m, with this formula we are quite large, it is enough to divide this number by the length of thread indicated on your bobbins to know the number of bobbins needed. divide this number by the length of thread indicated on your bobbins to find out how many bobbins you need.