Step 2. Now put ef under cd and ij, and over ab and kl; then put gh over cd and ij, and under kl and ab. See that the two ends of all the straws are equidistant from the center crossing.
In step 3 the straws are changed from pairs to singles as follows: Bring a over i; e over d; i over h; d over l; h over a; and l over e.
Plate XVI.
Plate XVII.
Plate XVIII. Romblon mat designs showing simple open weaves.