Independent metal AM
Buy or outsource metal 3D printing: the honest decision framework
Neither answer is a default. Buying is a utilization bet; outsourcing is a per-part cost with zero asset risk. The honest version of this decision is runnable in about ten minutes with your own numbers.
The three questions that decide it
1. Does your annual volume cross the fleet? A machine only wins when sustained accepted-part volume sits near or above its effective capacity — below that, fixed costs spread over too few parts. The crossing moves with part mix, reject rate and labor; the calculator computes it for your scenario rather than quoting a rule of thumb.
2. Do your parts fit the process? Build envelope, overhangs and support removal, wall thickness, material availability and surface-finish expectations disqualify more parts than price does. Screen them honestly before pricing any machine.
3. Can you carry the ownership burden? Qualification, metrology, powder handling, service contracts and trained labor continue whether or not the machine prints. Federal records show annual maintenance alone reaching $44,000–$108,000 for common platforms.
| Factor | Favors buying | Favors outsourcing |
|---|---|---|
| Annual volume | Sustained, near or above the effective-capacity crossing | Sporadic, ramping or unpredictable |
| Part mix | Repeat parts, stable designs, one or two qualified materials | Varied sizes, materials and one-off geometries |
| Qualification | Funded, with metrology and process control staffed | Not yet budgeted; supplier qualifications carry you |
| Cash | Capex, service contracts and labor funded for years | Preserve working capital; pay per accepted part |
| Control | Lead times and IP stay in-house; capacity is sovereign | Supplier network absorbs spikes without asset risk |
| Failure exposure | An idle machine still costs its fixed costs | No asset risk if demand shifts or programs end |
When buying wins
- Volume is sustained and predictable enough to sit at or above the crossing year after year.
- Parts repeat with stable designs, so machine time accumulates on proven builds.
- Buy-to-fly or material savings are structural — machining a part from titanium billet can waste most of the stock that powder-bed fusion uses.
- Lead-time control, IP containment or defense/sovereign-supply constraints make outside capacity unacceptable.
- You have budgeted qualification, maintenance and labor — not just the purchase order.
When outsourcing wins
- Volume is sporadic, ramping or concentrated in one-off parts.
- You need several materials or envelope classes that no single machine covers.
- Qualification is not funded yet; a supplier's existing qualifications do the work in the meantime.
- Capital is better spent proving demand first — 2026's services market is the largest and fastest-growing half of the industry.
- Demand is program-dependent: an idle machine still costs its fixed costs every month.
The costs buyers forget
Post-processing is roughly 24% of a metal part cost — heat treatment, HIP, machining, finishing and inspection rarely appear in a machine quote. Add powder handling and storage, inert gas, failed builds, filter and consumable replacement, annual service (federal records show $44,000–$108,000 per year on common platforms), and the labor to run all of it. The calculator models variable and fixed costs separately so none of these hide inside an average.
Run your own numbers
The calculator takes your parts, quotes and production plan through four guided steps and reports the variable-cost breakdown, annual operations and first-year accounting expense side by side. If the inputs feel premature, prepare comparable supplier quotes first, then return.
Run the buy-vs-outsource calculator →Read the break-even crossing explainer →Screen whether your part fits AM →Check ownership readiness →Build a comparable RFQ brief →