3D Print Farm Pricing: Machine Rates, Batch Quotes & B2B Contracts
TryAR Labs
Why Farm Pricing Is Not Hobby Pricing
A hobby printer owner prices a part and pockets the difference. A farm prices a part and pays for everything the machine is not doing: idle hours, depreciation on the whole fleet, a bench, software, failed prints, packing, and the operator's time.
That single difference — fixed costs spread across fleet hours — decides whether twenty printers are a business or an expensive hobby. This guide covers the pricing mechanics that actually move farm margins: machine rates, plate batching, volume quotes, and B2B contracts.
The Farm Machine Rate
Every farm quote starts with a defensible machine rate. Build it from four numbers:
Machine rate ($/hour) = (Depreciation + Maintenance reserve + Power + Facility share) ÷ Productive hours| Machine class | Purchase | Productive life | Typical rate |
|---|---|---|---|
| A1 Mini / Ender-class | $200–$400 | ~4,000 h | $0.15–$0.35/h |
| P1S / MK4 / K1-class | $600–$1,200 | ~6,000 h | $0.25–$0.60/h |
| X1C / Core One-class | $1,200–$2,000 | ~8,000 h | $0.40–$0.90/h |
Then bill labour and margin on top — most farms charge $0.75–$2.50 per machine hour to the customer, because the rate has to survive idle time too. If a machine is busy 60% of the week, every billed hour must also pay for the 40% it sits still.
For the full depreciation math, see the machine hourly rate guide.
Batch Economics: Where Farms Win
Farms beat single-printer shops on one variable: fixed cost per part. Slicing, plate prep, bed heating, and harvesting happen once per plate, whether the plate holds one part or twenty.
Two levers:
- Plate packing. Group parts by material, colour, and layer height. A full plate can cut setup cost per part by 80–90% versus one-at-a-time printing.
- Setup amortisation. Charge setup per plate, not per part. The customer sees a volume discount; you keep the same margin. The batch efficiency guide and the collection pricing workflow show both calculations.
Multi-colour work changes the math: purge towers consume grams and hours, so price purge waste at the same gram rate as the model, plus a per-swap fee. The multi-colour pricing guide covers the formula.
Quoting B2B Jobs: Three Tiers
B2B customers do not want a price — they want a repeatable, predictable supply. Quote in tiers:
| Tier | Typical order | Pricing approach |
|---|---|---|
| Prototype / one-off | 1–3 parts | Full rate: machine time + setup + 40–50% margin. Fast turnaround premium allowed |
| Small batch | 5–50 parts | Per-part price with setup amortised; 25–35% margin; standard lead time |
| Production contract | 100+ parts / month | Committed monthly volume price; 20–30% margin; QA spec, lead time, payment terms |
Contract details that protect a farm:
- Material specification — exact material, colour, and layer height, so the customer cannot compare your quote to a different scope.
- Lead time and capacity — state throughput limits; do not promise more than your fleet can run at target utilisation.
- Payment terms — 30-day terms are normal in B2B; price the working capital cost into contracts that stretch longer.
- Repricing window — filament prices move. Include a clause allowing repricing when material costs swing beyond an agreed percentage.
- Failure policy — who pays for failed parts caused by design flaws versus machine error.
The step-by-step quoting workflow — file inspection, slicing simulation, labour allocation — is covered in the professional quoting guide.
Volume Discounts Without Killing Margin
Discounts should come from consolidated fixed costs, never from material margin. A defensible curve:
- 5–10 units: 10% off the per-part price (setup amortised across the batch).
- 11–25 units: 20% off (plate runs planned, packing standardised).
- 50+ units: 30–35% off (committed production run, dedicated plate schedule).
Worked example: a part with $2.10 direct cost (material + machine) and $3.00 setup, quoted at 30% margin:
1 unit: ($2.10 + $3.00) × 1.30 = $6.63
10 units: ($21.00 + $3.00) × 1.30 ÷ 10 = $3.12/unit (−53%)
50 units: ($105.00 + $3.00) × 1.30 ÷ 50 = $2.81/unit (−58%)The customer sees volume savings because fixed costs genuinely collapse — and every unit still carries full margin.
The Numbers to Track Weekly
Pricing only works if you measure the inputs. Track these four:
- Fleet utilisation — billed machine hours ÷ available machine hours. Below 50%, chase demand before adding printers; above 70–80%, prepare to scale.
- Cost per machine hour — actual, including failures and maintenance. It drifts; re-check quarterly.
- Margin per order — not revenue. A busy week of break-even orders is a warning, not a win.
- Rework rate — failed or returned parts as a percentage of orders. Rework is the silent margin killer in farm pricing.
When utilisation stays high and margin holds, scale deliberately — the scaling and break-even guide covers the decision with ROI math.
Common Farm Pricing Mistakes
- Racing to the bottom. Price against the cost of the next competitor who will underprice you, and you will both lose.
- Charging material only. Filament is typically 15–30% of a farm's cost base; machine hours and overheads are the rest.
- Discounting before batching. If you discount a 10-part order printed one-at-a-time, you paid the setup cost twice.
- Ignoring idle capacity. Machines cost money when they are off — either fill the queue or shrink the fleet.
- Forgetting packing and shipping. Boxes, tape, labels, and time are part of the quoted price.
Run the Numbers on Real Parts
Farm pricing gets simple once the inputs are real. Paste any MakerWorld model link or upload an STL/3MF file into the cost calculator to get plate-by-plate weights, machine hours, and a full price breakdown — or compare machine running costs with the P1S & X1C cost-per-print guide.