The founder who bought her own company back
In December 2024, Marleen Vogelaar became chief executive of Shapeways for the first time - a company she co-founded seventeen years earlier and left a decade before that. In between, it had grown into the largest 3D printing marketplace in the world and then gone bankrupt. She bought the brand back and started again.
Shapeways today is not the Shapeways most people remember. The old version was a consumer marketplace: upload a design, pick a material, and a factory would print and ship your jewelry, miniature, or drone bracket. That was the company Vogelaar helped run as operating and finance chief from 2008 to 2014, and it was, for a while, the defining brand of consumer 3D printing. When it filed for bankruptcy in the summer of 2024, the marketplace's data was lost and the software left behind was too outdated to scale. So the version she runs now is deliberately narrower - a business-to-business manufacturing partner making custom products, spare parts, and small batches for hardware teams building things like medical robots and drones.
The rebuild is the interesting part. Most founders who return to a struggling company inherit its old assumptions. Vogelaar's problem was the opposite: there was almost nothing left to inherit. The marketplace could not be restored as designed. She has been candid that this was a real loss for the community that grew up around the old platform. The upside of a clean slate is that she could set the terms. The stated priority for the reboot is profitability over the growth-at-all-costs posture that has sunk so many additive-manufacturing startups. "We will put our customers' success at the center of all we do," the new leadership wrote in her introductory letter, which is the kind of line every company writes, except this one was written by someone who had watched the alternative play out in real time.
She did not come back alone. The relaunch reunited her with Robert Schouwenburg, the co-founder who built the original technology and left in 2012, plus a group of operators from the Eindhoven factory - Jules Witte, Tiago Sao Jose, and Job van de Laar. That Eindhoven detail is not incidental. Shapeways began in 2007 as a spin-off from Royal Philips Electronics in Eindhoven, the same Dutch city where Vogelaar earned her master's in industrial engineering and management science. The company that once decamped to New York is, in a sense, being run from home again.
Before the button
Vogelaar did not arrive at 3D printing through design or software. She came through operations. Early in her career she was a demand manager at SCA Hygiene Products, a paper manufacturer, then moved into operations and quality roles at one of its plants - the unglamorous discipline of making commoditized things reliably and cheaply. From there she went to IMCG Solving, a boutique consultancy, doing mergers-and-acquisitions and strategy work: due diligence, post-merger integration, operational improvement, privatizations. It is a resume built around the mechanics of how companies actually run, which is a useful thing to know when your eventual job is turning a bankruptcy estate back into a functioning factory.
At Shapeways she helped launch what the industry came to treat as table stakes: the world's first upload-to-3D-print service, the button that let anyone turn a file into a physical object without owning a machine. The company built a two-sided community of designers who uploaded models and buyers who ordered them, plus its own factories. It became the reference point everyone else measured against.
The waste problem, and a golden share
When she left Shapeways in 2014, she did not leave manufacturing. In 2015 she founded Ziel, an on-demand apparel platform, and picked a target worth stating plainly: roughly 40% of what the fashion industry produces is never sold - it gets destroyed or dumped at a discount. The traditional model forces brands to commit to designs and inventory as much as a year before anything sells, and to guess wrong at scale. Ziel's answer was to make nothing until it was ordered. Custom athletic apparel, no minimum order, delivery in under 10 days. The warehouse, in this framing, was the bug.
The more unusual decision was structural. Having raised over $75 million across her ventures, Vogelaar had firsthand experience with the tension between growth capital and mission control. For Ziel she wanted both, and she did not trust the usual endgames - an IPO or a sale - to preserve the point of the company. So she converted Ziel to steward-ownership, using a golden-share model that separates voting rights from dividend rights. Investors could fund growth and share in returns; they could not force the mission off course. It is a genuinely contrarian move in a startup culture organized almost entirely around the exit, and it says something about how she thinks: the company's independence was worth engineering for, not just hoping for.
The mask detour
Then the pandemic arrived, and Ziel's apparel lines turned out to be flexible in a way that mattered. The factory pivoted to protective equipment, which spun off into the Hudson Valley Mask Co. and, more notably, the development of a 100% biodegradable respirator - reportedly the first of its kind. It is the sort of thing that only happens if you have built a manufacturing operation loose enough to be repurposed on short notice, which is a recurring theme in her work: the value is not in any single product but in the ability of a system to make different things.
Seven events
One biographical detail keeps surfacing because it is hard to resist: before any of the companies, Vogelaar was a competitive heptathlete. The heptathlon is seven track and field events contested by a single athlete - sprints, hurdles, jumps, throws - and it rewards broad competence over narrow specialization. It is not a stretch to see the pattern in a career that spans 3D printing, apparel, and PPE, run by someone whose training taught her to be good at several different things at once rather than perfect at one. She has said she enjoys spending time outdoors, which is about as much personal detail as the public record reliably offers.
In 2013 she wrote an essay with the title "Can 3D Printing Revive America's Middle Class?" - a question about whether digital, distributed manufacturing could bring making-things closer to home and to more people. More than a decade later, running a rebuilt Shapeways focused on accessible, on-demand production for hardware teams, she is still, in effect, trying to answer it.
"We wanted to make manufacturing accessible."
"We will put our customers' success at the center of all we do."
"Leadership isn't about control. It's about creating the conditions for people to do their best work."
Roughly 40% of what the fashion industry makes is never sold - the waste Ziel was built to cut.
Who is Marleen Vogelaar?
A Dutch entrepreneur who co-founded Shapeways in 2007, founded the on-demand apparel company Ziel, and returned as Shapeways' CEO and co-owner in December 2024.
Why did she return to Shapeways?
After leaving in 2014, she watched the company deteriorate financially and go bankrupt in mid-2024, then bought the brand back and relaunched it as a leaner B2B business.
What is Ziel?
An on-demand athletic apparel platform she founded in 2015 to cut fashion waste, offering custom production with no minimum order and delivery in under 10 days.
What is steward-ownership, and why does it matter to her?
An ownership model that separates voting from dividend rights. She used it at Ziel so investors could fund growth without being able to override the company's mission.
What did she do before startups?
She holds an M.S. in industrial engineering and management science from Eindhoven University of Technology and worked in operations at SCA and in M&A/strategy consulting. She is also a former heptathlete.