How much does a 3D print cost on the Prusa MK4S in PLA?
Example part: 99 g of PLA, about 3.5 hours of print time on the Prusa MK4S.
Assumptions
- Weight
- 99 g
- Filament price
- 20 €/kg
- Print time
- 3.5 h
- Power while printing
- 80 W
- Electricity price
- 0.30 €/kWh
- Machine cost
- 0.50 €/h
- Failure rate
- 10 %
- Margin
- 30 %
Calculation
- Filament
- €1.98
- Electricity
- €0.08
- Machine
- €1.75
- Failed prints
- €0.38
- Your cost
- €4.20
- Margin
- €1.26
- Selling price
- €5.45
A PLA part of this size costs you about €4.20 on the Prusa MK4S – the biggest share is the filament. With a 30 % margin you end up at roughly €5.45.
Electricity is usually only a few cents per print. What matters is material, machine time and how often a print fails.
All values are typical estimates, not measurements and not manufacturer specifications. Excludes labour, packaging and tax. With your own numbers the result can differ a lot.
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