This pattern construction start from top (center of kopiah) to bottom and knitting in the round.Also I provide two option for brim pattern.

Size
1 size only with head circumference around 40-60cm and 17cm deep.

Material
I used Benang Nona (Malaysian Acrylic Yarn) (25g) for Alif Kopiah with Diamond Lace Pattern.
I used 4 Seasons Pony 4ply (20gr) for Alif Kopiah with Diamond Purl Pattern.
Any acrylic fingering can be used in this pattern.

Needle size
3.5mm for knitting the kopiah and 5mm for bind off

If you make this pattern and make longer brim like a beanie, you can add more row before brim pattern start.