Every few weeks someone asks me whether a 3D printer can pay for itself. The honest answer, from someone actually doing it at a small scale, is yes, but not in the way it usually gets sold. I am starting a series where I track exactly how much profit the printer makes, episode by episode, and I am beginning with a number that is small enough to be useful: 180 euros so far.
Where the money actually comes from
The part that surprised me is that it is not one income stream, and a good share of it is not cash at all. Three things are contributing:
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- STL downloads. Models I designed anyway, uploaded to print-sharing platforms.
- Platform points. Downloads earn points, and points convert into gift cards and physical products.
- Local selling. Some of what comes out of those conversions gets sold on locally.
Most advice about making money with a 3D printer starts and ends with selling prints. That is the slowest of the three for me.
The points are the part nobody explains
This is the mechanic I wish someone had spelled out for me before I started. On print-sharing platforms, downloads of your models earn points, and those points convert into gift cards and hardware. It is not cash in your bank account, but it is real value, and it comes from work you were doing anyway.
Right now I am at 33,000 of the 137,000 points needed for a Falcon A1 Pro laser engraver. That machine costs around $1,000 in cash. The goal is to get it without spending any, purely from points earned by uploading models I was designing anyway. Nobody talks about this route, and it is quietly the most efficient thing on the list.
Why I am publishing a small number
180 euros is not a headline. That is exactly why it is worth writing down. The 3D printing corner of the internet is full of people claiming thousands a month, usually with no breakdown and no timeline. If you are deciding whether to buy a printer, a real small number from a real small setup is more useful to you than somebody else's screenshot.
The point of tracking it in public is that I cannot quietly round it up later.
Watch the full breakdown
What is coming in the next episodes
This is episode one. Each future episode will report the profit figure, the points balance, what sold and what did not, and any mistakes worth passing on. If the laser engraver arrives for free, that gets its own post. If the whole thing stalls, that gets a post too.
Where some of this money goes: every month I put €100 into a deliberately aggressive leveraged ETF portfolio and track it in public. Here is the €100-a-month experiment.
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