Additive Manufacturing Strategies

Buy a 3D Printer or Use a Service Bureau? – Sculpteo Runs the Numbers

ST Medical Devices

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With another year gone by, Sculpteo has now revisited a study they did about the cost of 3D printing for both personal and professional applications, and this updated – and improved – version takes into account a wide range of factors and considerations.

The new study begins on a basic level with an examination of how 3D printing technologies have evolved over the past calendar year. While the study uses last year’s printers, it also considers any newer versions of those printers where that applies.

sculpteo logoSculpteo takes on the task by analyzing the cost to produce an individual object. The study does so by considering any investment necessary, the cost of consumables and workforce costs, and then divides that figure by the number of objects printed over a three-year period. It includes the current price of a printer plus installation costs, maintenance and replacement parts over the period, prices of consumables, and the charge due to having a person in charge of the printing process for professional uses at €20 per hour.

Readers also suggested that shipping rates should be added in and that a “hypothetical customer” used to calculate the figures should be based in the US.

The new analysis uses a paradigm where a desktop printer user prints just one object per job.

For each selected printer, the study considered personal or professional uses and workloads.Comparision-650x371

The printers listed in the study were the MakerBot Replicator 2X, the Form 1+, the Stratasys Mojo, the Stratasys µPrint SE, the 3D Systems ProJet 260C, the Stratasys Objet30 Pro PolyJet, and a Sculpteo service representative.

In one scenario, for example, the study based conclusions on a user who creates 52 prints per year, and they say the question for a potential 3D printer owner is then, “Am I going to be printing steadily every single week during a 3 year period?”

There is also consideration given to the surface quality of various printing methods, and the study places Selective Laser Sintering (SLS) and Stereolithography (SLA) at an advantage there as smoother finish quality means less post-production is required than for objects created with FDM or FFF techniques. Objects printed with SLS also offer the advantage of not requiring large overhangs compared with FDM or SLA.

Material costs were calculated individually for each of five designs, and maintenance costs were estimated based on the experience of actual users, and they ranged from 5% to 50% of the cost of the printer and were then divided by the number of objects printed.

SONY DSCThe five designs selected were the Space Invader ring by Geekrings, the Robot figurine by Emmanuel Eymond, a GoPro camera grip mount by Fabrice, a Windmill by fclem33, and the Brain Gear by mitchlee11.

A comprehensive analysis, the study essentially found that while there are options available for those who need extremely cheap prints, and options for people with unrestricted budgets aiming for very high quality, online services like Sculpteo can still offer elements from both categories. They also note that services have the additional benefit of not requiring ownership of complicated devices.

If you’re the sort who digs spreadsheets, the team at Sculpteo built one that includes a bunch of information used to create this analysis, and you can download it here.

So are you better off using a service or buying a printer? We leave that to you to decide after digging through the spreadsheet in your free time.

Where do you fit in on the Buy versus Order spectrum to get your 3D printed objects completed? Let us know in the Buy a 3D Printer or Order Prints Made forum thread on 3DPB.com.

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