Additive Snack

Hosted by EOS

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102

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Jul 2026

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About the show

Join host Fabian Alefeld and a range of guests as they discuss all things additive manufacturing (AM) and 3D printing news, with interviews and real-world stories to educate and entertain. Each episode, Fabian talks to AM experts, professionals in specialist fields, and 3D printing users from all walks of life to deliver a well-rounded view on the state of AM. Cut through the confusion surrounding polymer and metal additive manufacturing solutions with our digestible, down-to-earth discussions that deliver insights into common mistakes and best practice tips so you can get a clear understanding of AM — layer for layer. Whether you’re curious about 3D printing technology for the aerospace industry, a deep dive into post processing, or applications of injection molding — we leave no spare parts behind. We want to provide you with the additive insight needed to stay laser focused and leverage every opportunity 3D printing materials have to offer. Join us for an Additive Snack and we’ll help you and your business achieve growth and success through the latest developments in AM. No marketing B.S. and no product pitches. Just the education, inspiration and information you and your organization need to drive business growth, brought to you by global AM leader EOS. Get ready to feed your AM knowledge and find your path to success!

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60 recent

July 21, 2026Episode 381 hr 0 min

Inside GM's Additive Industrialization Center with Ante Lausic

In this episode, Fabian Alefeld sits down with Ante Lausic, Lead Process Engineer at General Motors' Additive Industrialization Center (AIC), to explore what it takes to successfully scale additive manufacturing (AM) in the automotive industry. Ante explains why automotive manufacturing demands more than innovative technology - it requires AM-native designs, cost-effective production, automotive-qualified materials, and repeatable processes capable of supporting high-volume manufacturing. He also shares how GM has evolved from using AM primarily for rapid prototyping to establishing the Additive Industrialization Center in 2020 to evaluate new technologies, validate production readiness, and strengthen collaboration across the supply chain. The conversation highlights real-world production applications, including the Cadillac Celestiq, which incorporates more than 130 AM components, such as a safety-critical binder-jetted stainless steel seatbelt guide and aluminum steering wheel trim. Ante also discusses the rapid growth of additive manufacturing for tooling, including die-casting inserts, plant fixtures, and end-of-arm tooling, and offers his perspective on where the technology is delivering the greatest value for automotive manufacturers today. 01:56 Scaling AM in Automotive 05:10 Value and Cost Reality 07:27 GM Additive Center Origins 11:02 Educating Engineers and Suppliers 14:34 Celestiq AM Success Stories 19:44 Supplier Freedom and Standards 23:00 Tooling Inserts Big Wins 27:50 End of Arm Tooling Growth 29:36 Motorsports and F1 Links 32:10 Aftermarket Digital Warehousing 33:39 Materials and PPAP Hurdles 36:14 PPAP Explained Simply 38:43 Rethinking Qualification Costs 41:07 Scaling to Corvette Volumes

July 14, 2026Episode 361 hr 14 min

Why AM and Orthotics & Prosthetics are the Perfect Fit

Fabian Alefeld interviews certified prosthetist/orthotist and EastPoint Prosthetics VP Brent Wright about his career path into O&P, his shift from being anti-digital to adopting scanning and additive manufacturing, and the impact on patient care and global access. Wright describes traditional fabrication workflows (casting, plaster positives, vacuum forming thermoplastics for orthoses, and carbon fiber/resin layups for prostheses) as artistic but time-consuming, hazardous, and lacking records. His digital journey accelerated after a Guatemala trip with Life Enabled highlighted the need to scale care; he focused on scanning, digital modification, and later powder-bed fusion, moving toward SLS with materials like PK5000 and TPU. He emphasizes pressure casting for prosthetic sockets, the value of digital records for insurance, and how AM can change socket “dynamics” to improve comfort and heal wounds. The discussion also covers RADii’s data-driven fitting approach, Life Enabled’s mix of traditional and 3D-printed solutions (including pediatric feet), modular “kit” concepts for developing regions, and barriers to sensors/actuators in the US due to reimbursement. 02:33 Brent Origin Story 09:30 Why Go Digital 11:17 Scaling Global Access 17:32 Traditional O&P Workflow 20:02 Casting And Fabrication Steps 24:07 Digital Workflow And Scanning 33:22 Benefits Of Digital Records 36:36 Flexible Liner Heals Wound 40:47 RADii Data Meets Craft 46:06 Life Enabled Model 01:01:50 Democratizing via Manufacturing 01:08:01 Sensors vs Simplicity

July 7, 2026Episode 3741 min

AM at a Crossroads: Incodema3D Proves What's Possible at Scale

Fabian Alefeld sits down with Sean Whittaker, founder, president, and CEO of Incodema3D, to discuss the company's journey from a sheet metal prototyping business to one of North America's largest metal additive manufacturing operations. Sean shares why he invested in metal AM early, how Incodema3D built a production-first business model, and what it takes to scale additive manufacturing beyond prototypes. The conversation explores the evolution of Laser Powder Bed Fusion (LPBF) technology, the importance of vertically integrated manufacturing, and how improvements in machines, materials, software, and Design for Additive Manufacturing (DfAM) are making production at scale a reality. Sean also discusses growing demand driven by reshoring, defense, aerospace, and energy applications, Incodema3D's specialization in aluminum thermal management components and high-volume Inconel production, and how AFM Capital's investment is accelerating expansion through new equipment, automation, and future U.S. manufacturing sites. Episode Chapters 01:41 Sean's Origin Story 05:13 Taking the Leap into Metal Additive Manufacturing 07:05 From Prototypes to Production 08:07 The Advantage of Vertical Integration 10:54 The Maturity of Additive Manufacturing and DfAM 15:46 Thermal Management, Inconel, and Consumer Applications 19:21 Defense, Energy, and Replacing Cast Components 21:28 Accelerating Growth with AFM Capital 25:49 Cycle Times, ROI, and Production Flexibility 30:07 Automation and Building the AM Workforce 34:50 Reshoring, Expansion, and the Future of Production 39:50 Wrap-Up

June 23, 2026Episode 351 hr 58 min

AM Rocket Engines and Space Nuclear Power with Omar Mireles

Fabian Alefeld interviews Omar Mireles, Director of Manufacture and Materials at Space Nuclear Power Corporation (Space Nukes), about his career spanning NASA, Oak Ridge, and Los Alamos and how additive manufacturing (AM) reshaped space hardware development. Omar describes early exposure to SLS prototyping, graduate work in nuclear materials and propulsion, building nuclear materials labs at NASA Marshall, and later leading AM efforts for liquid rocket engines and refractory metals. He explains how AM accelerates iteration, enables complex geometries, part consolidation, and weight reduction, and where traditional methods still dominate depending on production rate. The conversation covers refractory metal challenges (supply chain, oxygen sensitivity, post-processing, inspection) and nuclear reactor basics, generations, and regulatory barriers to AM adoption. Omar outlines Space Nukes’ goal of delivering safe, affordable, reliable power anywhere in the solar system, noting heat rejection as a key space constraint, Krusty’s 2018 test heritage, potential AM roles in heat exchangers, and an aggressive ~2-year flight timeline depending on regulation and mission. 02:26 Omar Early Motivation 03:08 NASA Co-ops and First AM 07:59 Stirling Radiation Research 20:07 Refractory Metals AM Lab 21:31 Los Alamos to Space Nukes 25:14 Did AM Change Space Race 31:46 Where AM Flies Today 37:41 Rocket Engines Print vs Traditional 41:15 Refractory Alloys Challenges 46:39 Where Refractories Make Sense 47:05 Will Refractory AM Grow 49:39 NASA Metal AM Handbook Origins 56:37 How Nuclear Reactors Work 01:13:02 Additive Manufacturing in Nuclear 01:18:31 What Space Nukes Builds 01:19:36 Why Space Nuclear Power Matters 01:25:20 Why Space Needs Nukes 01:37:47 Krusty Test Proof 01:41:18 Heat Rejection Challenge 01:49:25 Timeline and First Missions

June 2, 2026Episode 3457 min

The Manufacturing Comeback: Dean Bartles on Defense, AI, and the Next Industrial Revolution

Host Fabian Alefeld interviews Dean Bartles, President and CEO of the Manufacturing Technology Deployment Group (behind NCDMM, Advanced Manufacturing International, and America Makes), about manufacturing’s evolution, defense industrial base challenges, and additive manufacturing. Bartles recounts his career from shop-floor machining and industrial engineering to international defense manufacturing programs and 31 years through successive owners culminating in General Dynamics, then leading NCDMM and forming a parent organization to expand technology deployment. They discuss consolidation and contracting barriers that pushed small/medium firms out of defense, productivity gains from automation, reshoring momentum driven by tariffs and new investment, and workforce shortages and training pathways via trades, community colleges, and SME/Tooling U. Bartles highlights AI for process monitoring and adaptive control in laser powder bed fusion, the promise of low-cost desktop FFF for drones, the need for shared data and improved repeatability, and sustainability efforts including the Additive Manufacturing Green Trade Association. 00:00 Welcome and Guest Intro 02:54 Dean Manufacturing Origins 04:18 Global Defense Career Path 06:05 Leading NCDMM and America Makes 10:44 Defense Base Decline and Industry 4.0 18:14 Reshoring and Global Models 22:17 AI Capital and Process Control 35:25 Open Data and Repeatability Challenge 38:24 Defense Adoption and Drone Boom 44:08 Workforce Pathways and Community Colleges 50:04 Sustainability and Greener AM 54:27 Closing ABL Always Be Learning

May 26, 2026Episode 331 hr 11 min

From Hypersonics to AI Workflows: How Ursa Major Is Scaling Rocket Production

Fabian Alefeld welcomes back Thomas Pomorski of Ursa Major to discuss developments over the past year across three focus areas: hypersonics, solid rocket motors, and in-space propulsion. Pomorski reports more than nine hypersonic missions flown with the reusable, ~80% 3D-printed Hadley engine and two successful test flights of the storable Draper engine with AFRL, plus progress on Ursa’s LINX solid rocket motor manufacturing approach using additive for tooling and cases to enable flexible “unit cell” scaling. They cover key hypersonics challenges around affordability and manufacturability and why a storable liquid rocket approach can reduce testing complexity. Much of the conversation focuses on AI’s current value in development: rapidly prototyping slicer features and scan strategies, building data-fusion and monitoring tools via EOS APIs, and enabling small teams to operate with much higher productivity, while noting production validation remains challenging. 00:00 Welcome Back Thomas 01:48 Ursa Major Year Update 02:37 Hypersonic Flight Milestones 04:05 Solid Motors and LINX 05:21 Additive Scale Up Tools 06:39 Hypersonic Cost Challenge 11:58 Solid Motor Unit Cells 15:37 Additive Geometry vs Supply 18:01 AI in Additive Workflows 24:33 AI Productivity Multiplier 29:33 Live Claude Slicer Demo 35:13 Prompting Claude Code 36:35 Sharing Team Workflows 38:40 Production AI Readiness 42:20 Slicer Feature Results 44:49 Closed Loop Optimization 46:46 AI Built Web Monitor 52:59 Automation Roadmap 01:00:12 Verifying Hatch Strategy 01:03:07 Advice For Students 01:08:29 Wrap Up And Thanks

May 15, 2026Episode 3252 min

Printing Batteries, how AM is changing Battery Manufacturing and Performance

Fabian Alefeld hosts Karl Littau, CTO of Sakuu, to discuss why rechargeable battery manufacturing has changed little in decades and how Sakuu is rethinking it with additive approaches. Littau explains conventional thick-film slurry coating and stacked anode/cathode layers, noting heavy use of copper and aluminum and high costs driven largely by bill of materials. He outlines battery basics (anode, cathode, electrolyte) and contrasts lithium-ion with solid-state concepts, where solids replace liquid electrolytes but face commercialization challenges. Sakuu’s initial product targets electrode coating by shifting from wet, solvent-based processes to dry powder-bed methods, enabling powder reclaim/reuse, removing toxic solvents, reducing equipment size (e.g., long drying ovens), and potentially increasing throughput. The conversation also covers future possibilities like multi-material patterning, arbitrary shapes, bipolar designs that reduce metal, and broader impacts on EVs, grid storage, and electrification. 00:00 Welcome and Topic 01:32 Why Batteries Need Change 04:13 Cost Drivers Today 07:53 Sakuu Additive Approach 13:09 Battery Basics Explained 18:30 Dry Powder Manufacturing 26:10 Speed and Footprint Gains 28:47 Scaling and Supply Chain 32:27 Future Shapes and Structures 35:42 Solid State Readiness 37:48 Sakuu Origin Story 40:31 Roadmap and Industry Impact 42:34 Electrification Future Vision 49:48 Wrap Up and Thanks

May 6, 2026Episode 3155 min

Simulation as an Enabler: Pan Michaleris & Erik Denlinger on the Evolution of Additive FEA

Fabian Alefeld hosts Pan Michaleris, founder of PanOptimization (PanX), and Erik Denlinger, co-founder and chief engineer, to discuss the evolution and role of simulation and finite element analysis (FEA) in additive manufacturing. Pan shares his background as a Penn State professor and entrepreneur (including a prior company acquired by Autodesk) and explains how simulation helps reduce costly trial-and-error builds by predicting distortion, temperature, stress, buckling, cracking, and recoater risks, while moving toward closed-loop manufacturing-to-design workflows and property prediction. Erik outlines PanX’s commercial capabilities - fast thermo-mechanical simulation for very large parts, distortion compensation, and dwell-time optimization - and describes proof-of-concept work on controlling melt quality and hardness via parameter modulation. They cover adoption in aerospace/defense and new space, qualification implications, integration with build-prep workflows (e.g., EOS/Velosis), and cautious, validation-focused views on AI surrogate models. 00:00 Welcome and Episode Preview 01:13 Meet Pan and Erik 01:59 Pan’s Journey to PanX 03:59 Erik’s Origin Story 05:10 FEA History and the Elephant Test 08:32 Why Additive Needs Simulation 10:23 Closing the Design Manufacturing Loop 14:33 PanX Today Core Capabilities 17:30 From Distortion to Material Properties 20:25 Making Simulation Usable for Engineers 27:06 Workflow Integration and Automation 29:44 From Failures to Design 30:41 Who Uses PanX Today 32:41 Simulation for Qualification 35:17 Layerwise Parameter Control 38:51 Why FEA Is Hard 41:38 AI and Surrogate Models 46:53 Future Material Tailoring 48:37 Roadmap Workflow Integration 52:27 Closing Thoughts and Wrap

April 10, 2026Episode 3059 min

The State of AM in Asia

Host Fabian Alefeld speaks with Japan-based additive manufacturing consultant Peter Rogers about the state of additive manufacturing across Asia Pacific. Rogers contrasts Japan’s advanced but risk-averse manufacturing culture - strong in incremental optimization, with slower certification (notably medical) and limited defense budgets - with faster-moving but smaller markets like Australia/New Zealand, where mining drives demand for rapid, remote part supply. They discuss China’s manufacturing scale and government support, its growing dominance in desktop FDM, and how low-cost Chinese metal PBF machines can win and retain service-bureau business despite Western strengths in quality and productivity. Singapore is highlighted for academia and MRO, while Korea spans shipbuilding, semicon, automotive, and defense. Southeast Asia is still production-focused with limited local R&D, whereas India is rising as an English-speaking engineering and R&D hub for global OEMs. Both see lowering costs and AI enabling broader, consumer-facing AM applications. 00:00 Welcome and Guest Intro 01:49 Peter Rogers Background 03:32 Moving to Japan 05:12 APAC Additive Overview 09:23 China Manufacturing Dynamics 13:27 Reshoring and Kaizen Mindset 18:45 Traditional Skills vs Additive 20:57 Japan Nearing Inflection Point 25:06 Top APAC Applications 29:02 Japan Korea Industry Mix 30:31 China Scale And Funding 33:18 FDM Race To Bottom 34:27 Bambu Ecosystem Advantage 36:53 Metal AM Price Expansion 38:23 Chinese Metal Machines Case 40:30 Competing On Productivity 44:10 Southeast Asia Adoption 47:06 India RnD Powerhouse 49:46 Future Consumer Breakthroughs 52:40 Japan Pushing DED Limits 55:30 AI Lowers Barriers 57:13 Wrap Up And Farewell

March 25, 2026Episode 2958 min

From Fashion to Metal AM: Scaling Additive Manufacturing into Production

Host Fabian Alefeld interviews Erin Mastroni, President and founder of I3D Manufacturing (founded 2013), about building one of the largest additive-focused contract manufacturers and the industry’s shift from prototyping to production. Mastroni describes moving from fashion retail and trend forecasting to an MBA in sustainable business, spotting production AM as a key trend, and launching a metal powder bed fusion business in Oregon with limited traditional manufacturing experience. She recounts early funding challenges, using SBA/New Market Tax Credits, and landing Blue Origin as an early customer, which helped establish I3D as a fast-moving development partner known for tackling difficult materials like titanium and new nickel alloys with EOS. I3D grew from 5 people and two machines to two campuses, ~30 machines, and 54 employees, is launching an internal “I3D Academy,” navigated a severe COVID revenue drop without layoffs, and was acquired in 2023 by BTX Precision (L Squared Partners), expanding into turnkey CNC and broader capabilities while discussing PE’s role, production scalability, and emerging AI opportunities. 00:00 Podcast welcome 01:47 Fashion to additive 04:27 Funding and mission 06:52 Blue Origin breakthrough 08:27 Becoming a dev partner 12:19 I3D today scale 15:29 Growing talent academy 17:05 Growth phases and pandemic 20:22 Acquisition and turnkey expansion 22:06 Private equity tipping point 27:43 Private Equity Momentum 28:41 Flow Driven Applications 32:54 Supply Chain Use Cases 35:12 Scaling Production Know How 40:21 One Stop Shop Strategy 43:14 Customers Get Smarter 47:31 Next Wave Breakthroughs 53:03 AI In Additive Manufacturing 57:25 Closing Thanks