This case comes from direct product-development experience. The supplier is not identified, and values are rounded into ranges to protect commercial details. The purpose is to show the decision structure, not to publish a reusable vendor quote.
1. The quotation changed the type of risk
The tooling quote was in the ₩6–7 million range. Quoted molded unit cost was a few hundred won, roughly around ₩300. A wholesale price near ₩1,000 was under consideration. Printing required almost no fixed tooling cash, while molding required a large payment before meaningful volume had been proven.
Looking only at the molded unit cost made the proposal attractive. Looking only at the mold price made it feel expensive. Break-even math connects those two numbers.
2. Printed unit cost determines the threshold
Because the exact printed cost is product- and workflow-specific, three rounded scenarios are more useful than one false-precision number. Using ₩6.7 million of tooling and ₩300 per molded unit:
The same mold moves from a five-thousand-unit decision to a sub-two-thousand-unit decision simply because the current printed workflow changes. Improving print efficiency can therefore delay the point where tooling is economically necessary.
3. A ₩1,000 wholesale price adds a second constraint
A wholesale price near ₩1,000 and a molded unit cost around ₩300 leave roughly ₩700 before packaging, freight, inspection, tax, sales expense, rejects, and recovery of the mold. At ₩700 of contribution per unit, ₩6.7 million of tooling alone requires about 9,572 units to recover from product contribution.
That number answers a different question from production break-even. Production break-even compares molding with printing. Contribution payback asks how many sold units must repay the upfront cash. Both views belong in the decision.
4. The missing input was demand confidence
If confirmed demand is comfortably above the break-even range, the design is stable, and the business can afford the cash timing, molding can create a strong cost advantage. If demand is a hope rather than evidence, the lower unit cost can become expensive unsold inventory.
The practical sequence is to validate demand with printed production, measure the real printed cost and sales rate, freeze the product only after recurring feedback stabilizes, and then request tooling quotes with a clearly documented specification.
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