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OpenTrain

3D Print Farm Operator / Print Lab Supervisor

You will support AI training by applying practical 3D print-farm knowledge to technical workflows and proposed improvements. The work combines printer operations, production planning, troubleshooting, quality checks, and clear written feedback.

Field
Generalist
Where
United States, Algeria, Argentina, Austria, Bahrain, Bangladesh +46 more
Commitment
part time
Posted
3 days ago

How this pay compares

At $40/hr (the midpoint of $20 to $60), this role pays more than 30% of the 206 open generalist roles with a listed pay range, below the median of $60.

Among platforms with 10 or more priced generalist roles, Alignerr has the highest median ($80/hr across 17 roles) and micro1 the lowest ($50/hr across 54).

OpenTrain AI roles that closed since late October stayed listed a median of 31 days (122 roles). OpenTrain AI posted this one 3 days ago.

Computed from 2,746 open roles we track across Mercor, micro1, Handshake AI, Alignerr, Appen and OpenTrain AI, refreshed daily. Midpoints of listed ranges; “up to” ceilings are left out of medians.

What you would earn at this rate

Per week, before tax

$600

Per month, if the work is steady

$2,600

Tax
Contract pay arrives with no tax withheld. A US contractor at this rate and these hours would set aside about $657 a month for self-employment tax plus federal income tax at the 12% bracket (25%, before state tax). Outside the US, your own country's rules apply.

Assumes paid hours only; unpaid assessments, onboarding and gaps between projects lower the real figure. Full take-home calculator · Track what you actually earn

Open generalist roles on each platform

The same kind of work, priced on every platform we track, with the best-paid open role on each.

“Up to” rows list only ceilings, so their median is a maximum, not comparable with the range midpoints above them.

All 238 open generalist roles →

The full listing

As posted on OpenTrain AI. See the original

The work

You will support AI training by applying practical 3D print-farm knowledge to technical workflows and proposed improvements. The work combines printer operations, production planning, troubleshooting, quality checks, and clear written feedback.

  • Operate and maintain fleets of FDM and resin 3D printers.
  • Create and refine slicer settings for different shapes, materials, and performance goals using tools such as Cura, PrusaSlicer, or Chitubox.
  • Diagnose recurring print failures, find root causes, and document reliable fixes.
  • Store, dry, condition, change, and manage filament and resin while preventing contamination and reducing waste.
  • Organize print queues around delivery timelines, machine availability, and project requirements.
  • Inspect parts for surface finish, dimensional accuracy, and mechanical integrity using accepted quality-control standards.
  • Assess process improvements and technical fixes for print farms, service bureaus, makerspaces, and academic labs.
  • Provide structured feedback on workflows and recommended technical improvements.

What it pays and takes

This is a remote contractor opportunity with part-time employment classification.

  • Pay: $20 to $60 per hour.
  • Work arrangement: Remote contractor role.
  • Location: Open to candidates in the listed countries across the Americas, Europe, Asia, Africa, and the Middle East.
  • Language: Professional fluency in English.
  • Experience managing a fleet of 3D printers in a print farm, makerspace, university lab, or service bureau.
  • Strong command of FDM and resin hardware, slicing workflows, and related printer software.
  • Experience optimizing slicer profiles across materials and applications.
  • Experience storing, drying, conditioning, and changing printing materials while preventing contamination.
  • Careful part inspection, dimensional measurement, quality reporting, and technical documentation skills.
  • Clear written and verbal communication for explaining root causes, judgments, and recommended fixes.
  • Helpful background includes print-farm automation, remote monitoring, scalable workflow improvement, production scheduling, and finished-part quality checks.

How it works

You apply here in about two minutes and finish on the hiring platform. The next step is a short AI interview (technical roles include a coding challenge). Passing it is how you qualify for paid tasks, so take it soon after you are invited.

The hiring platform's application for this job asks for your resume, your LinkedIn profile, your phone number, your location and answers to 7 screening questions.

About AI training work

AI training is the human work behind systems that learn from examples, instructions, and feedback. People with practical technical experience help evaluate workflows and explain what reliable results should look like, which is why specialized knowledge matters.

From applying to your first payment on OpenTrain AI

  1. 1

    Create a profile

    Create a free OpenTrain profile with your domains, languages and hourly rate.

  2. 2

    Apply

    Apply to the listing. Some listings hire through OpenTrain; others send you to the hiring platform.

  3. 3

    Funded milestones

    The client funds each milestone before work starts.

  4. 4

    First payment

    OpenTrain pays out to your connected payout method when the client approves the milestone. It doesn't publish a fixed payout schedule.

Sources: OpenTrain: AI training careers, OpenTrain docs: invoicing and payouts

Full OpenTrain AI profile: watch-outs and the public record →

Pay history

OpenTrain AI has listed this role at $20-60/hr since Nov 10, 2026 with no change.

Across OpenTrain AI's generalist roles, the median listed pay was $40/hr on Nov 1, 2026 (50 roles) and is $61/hr as of Nov 11, 2026 (114 roles).

What workers report about OpenTrain AI

Anonymous reports from people who applied or worked there: whether they got work, what they were paid and how fast.

Other generalist roles

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