Dapur (Dapor) is the shape and outline of the blade

The dapur is defined by the ricikan (perabot) and the number of luk (waves).

Dapur may be straight (lurus) or wavy (luk). Waves are counted by starting at the first curve nearest the base. The number of waves is always odd.

There are thousands of various dapur, they will vary from Empu to Empu

Here are the most commons dapur according to the number of luk and the ricikan.

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(sourcehttp://old.blades.free.fr/keris/introduction/wilah/dapur.htm )