Batik Cap Creating batik is a very time consuming craft. To meet growing demands and make the fabric more affordable to the masses, in the mid-19th century the . cap. (copper stamp – pronounced chop) was developed. This invention enabled a higher volume of batik production compared to the traditional method which entailed the tedious application of wax by hand with a canting.Each cap is a copper block that makes up a design unit. Cap are made of 1.5 cm wide copper stripes that are bent into the shape of the design. Smaller pieces of wire are used for the dots. When complete, the pattern of copper strips is attached to the handle.The cap must be precisely made. This is especially true if the pattern is to be stamped on both sides of the fabric. It is imperative that both sides of the cap are identical so that pattern will be consistent.