QuotedPartComparisons · Updated 2026-10-30
Xometry, Protolabs Network or Fictiv: which is worth it for a machine shop as a supplier?
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There is no honest universal winner for a supplier. A network is worth testing when its work fills a machine’s idle time at a margin the shop accepts after inspection, packaging, freight, and payment timing. Xometry, Protolabs Network, and Fictiv all describe supplier relationships on their own sites, but the public pages do not provide one comparable payout table. This guide therefore gives you a supplier test sheet, labels unknown terms, and explains where each network may be stronger without inventing a take rate.
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Price the work you will actually receive
A marketplace quote is not the same as a customer RFQ. The network may control the customer relationship, specify inspection evidence, require packaging, and change the delivery promise. Start with a contribution-margin worksheet: offered price minus material, outside processing, inspection, freight, payment fees, rework reserve, and the machine time you could sell elsewhere. Keep setup and programming visible. A small order with a low offered price can still be useful if it fills a predictable gap; a high nominal price can lose money when the quality packet and expedite work are included.
Ask each network for the supplier agreement before accepting a live job. The questions are practical: when does the payment clock start, who pays freight, who owns a nonconformance, can the shop decline a job, what records must be retained, and what happens when a customer changes the drawing? Treat forum stories as leads, not as terms. Only the current agreement and supplier portal define your obligation.
- Calculate margin after all supplier-side work, not against the displayed machining price alone.
- Ask for payment timing and nonconformance rules in writing.
- Run one low-risk part before committing scarce capacity.
What is public, and what is still a sales question
Xometry’s public partner page presents a partner network; Protolabs presents a manufacturing network and supplier relationships; Fictiv presents a supplier network. Those descriptions establish that the networks exist, not that a particular shop will see a particular part mix or margin. Qualification, machine capability, inspection requirements, customer communication, and payment terms can vary by country, process, and contract. The strongest supplier decision is the one based on the portal terms offered to your shop.
This is where a direct customer relationship can be stronger than a network: you control the quote, revision conversation, and margin. The network can be stronger at finding demand, filling a new machine, or reaching buyers a small shop would not reach alone. Make that trade explicit.
| Network | What its public page supports | Ask before accepting work |
|---|---|---|
| Xometry | A partner network for manufacturing suppliers. | Qualification, payout calculation, payment date, freight, and nonconformance process. |
| Protolabs Network | A manufacturing network and supplier relationships. | Process approval, inspection packet, customer communication, and capacity commitments. |
| Fictiv | A supplier network for manufacturing work. | Part mix, payment terms, drawing revisions, and who owns rework or expedite cost. |
| Direct customer | No marketplace terms; the shop negotiates directly. | How the shop will create demand and administer credit, contracts, and collections. |
A four-week supplier trial
Choose one process you already control and cap the trial at a known number of machine hours. For every offered job, save the portal price, promised ship date, actual setup, cycle, inspection, packaging, freight, and payment date. Compare the realized hourly contribution with a normal direct-customer job. If a network sends parts outside your machine envelope or asks for a quality record you cannot produce consistently, declining is useful evidence rather than failure.
The right answer may be a mix: use a network for spare capacity and direct customers for strategic work. Do not let a marketplace replace the shop’s own quoting discipline. A tool such as QuotedPart can still price the work at the shop’s rates before acceptance; the supplier agreement, quality system, and cash-flow decision remain yours.
Sources and limits
Claims are dated where they can change. Product calculations are examples from the stated inputs, not a promise about a customer's quote. Competitor wording is attributed to the source shown.
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