K3D Hits One Million Metal AM Parts, Doubles Down on MetalFab Fleet

The Dough Knife That Proved the Business Case Back in 2019, a topologically optimised dough cutting knife won the TCT Award for Industrial Applications. The part, produced by K3D in collaboration with Additive Industries and parent company Royal Kaak, cut 8,000 dough pieces per hour. It was a neat demonstration of what metal additive manufacturing could do when applied to real production problems, not just prototyping. That knife was not a one-off. K3D has since printed its one-millionth metal AM part, and the Dutch service provider is now expanding its fleet with two additional MetalFab systems, bringing its total to six across two manufacturing sites. Scaling Up: From Proof of Concept to Production Workhorse K3D runs Stainless Steel 316L, Aluminium AlSi10Mg, and Titanium Ti6Al4V across its MetalFab systems. The company was also the international launch customer for the MetalFab 300 Flex in 2024, so this latest purchase is not speculative. It is a bet on equipment that has already been running in their shops for years. Jaap Bulsink, K3D's CTO, puts numbers to that confidence: their fully automated MetalFab systems have hit utilisation rates of up to 95% over the past few years. That is not pilot-project performance. That is production-line performance. Bulsink notes the machines handle large products and smaller series production alike, which matters for a service bureau serving multiple industries. Rik Bakker, CEO of Additive Industries, points out that K3D's first MetalFab system, delivered in 2016, is still producing parts today. In an industry where some hardware becomes obsolete before it is fully depreciated, a nine-year service life with consistent output is worth noting. What This Says About Metal AM in 2024 K3D's expansion is one data point, but it is a significant one. The company is positioning itself as one of the largest metal AM service providers in Europe. That claim is backed by a million parts, six systems, and utilisation rates that most conventional machine shops would envy. The broader context is that metal AM is moving from "interesting technology" to "production technology" for a subset of applications. K3D's material mix, 316L, AlSi10Mg, Ti6Al4V, covers the standard industrial portfolio. There is no exotic alloy play here. They are competing on throughput, reliability, and cost per part, not on materials that cannot be machined conventionally. For engineers evaluating whether metal AM belongs in their supply chain, K3D's trajectory offers a reference case. The company started with a single MetalFab in 2016, proved the economics with food processing equipment, and scaled from there. The one-millionth part milestone is not a marketing number. It is a volume indicator that suggests the unit economics have crossed a threshold where repeat orders make sense. The Competitive Landscape Additive Industries has placed MetalFab systems with SWISSto12 and other industrial adopters over the past decade. K3D's continued investment, particularly as a launch customer for new system variants, indicates the vendor is keeping pace with customer requirements for automation and throughput. The open question is whether this model, high-utilisation service bureaus running standard alloys on laser powder bed fusion, can expand beyond its current niche. K3D's answer appears to be yes, at least for their market position. Two more machines is not a cautious experiment. It is a capacity expansion based on demand they can already see.

M4S TAKE

My take: partnerships only work when both sides bring something the other cannot build quickly. The test is whether the combined offering solves a problem neither could address alone. If it does, this is worth watching.

Simon McLoughlin