IPA: /ˈdaɪˌmeɪkər/
KK: /ˈdaɪˌmeɪkər/
A person who creates dies, which are tools used to shape or cut materials in manufacturing processes.
The diemaker carefully crafted the die to ensure precise shapes for the metal parts.
Diemaker → It is formed from "die" (from Old English *dīe*, meaning a tool or mold used for shaping) and "maker" (from Old English *macian*, meaning to make or create). A diemaker is someone who creates or shapes tools or molds.
Think of someone who 'makes' ('maker') a 'tool or mold' ('die') — that's what a diemaker does.