joke Technology
Supplier of 20,000+ manual and automated surface finishing tools and equipment for additive manufacturing post-processing, including polishing, grinding, deburring, and lapping solutions for 3D-printed components.
- CEO / Founder
- Udo Fielenbach
- Team Size
- 11-50
- Stage
- Active
- Total Funding
- Bootstrapped
- Latest Round
- Bootstrapped
Technology & Products
Key Products
Manual polishing and grinding tools; Automated surface finishing equipment; Deburring and edge-finishing systems; Lapping and fine-grinding solutions; Welding and cleaning equipment; Abrasive media and consumables; 3D post-processing browser application (interactive tool configuration)
Technological Advantage
Vertical integration of supply chain, inventory, and consulting services. Proprietary knowledge of surface finishing workflows optimized for AM-specific requirements (layered part geometry, material-specific finishing). Established supplier relationships with manufacturers across Europe, GB, China. ISO 14001:2015 certified sustainability/environmental management systems.
Differentiation
Value Proposition
Europe's largest specialist retailer for fine surface finishing with 80+ years of expertise. Provides complete post-processing solutions for 3D-printed parts with 24-hour inventory availability, expert consulting, on-site training, and partnerships across 28 countries. Reduces part finishing time and improves surface quality to aerospace/medical specifications.
How They Differentiate
Unmatched product breadth (20,000+ SKUs vs. typical competitors' 500-2,000) and inventory velocity (24-hour delivery when in stock). Specialized expertise in AM post-processing workflows developed over 80 years in surface finishing. Regional advantage as Europe's largest specialist retailer with direct customer advisors in Germany, Austria, and international distribution network.
Market & Competition
Target Customers
Industrial manufacturers, 3D printing bureaus, aerospace and medical device companies requiring post-processing and surface finishing of additive manufacturing parts
Industry Verticals
Additive Manufacturing / 3D Printing; Aerospace; Medical Devices; Industrial Manufacturing; Tool & Die; Automotive
Competitors
Rösler; AM Solutions; Inovatec Machinery
Growth & Milestones
Growth Metrics
150 employees (confirmed 2026)
Major Milestones
1940 — Founded by Robert Kettenbaum (electrical engineering student) as small repair shop; 1960s-1980s — Established as regional leader in surface finishing equipment and tools; 2000s-2020s — Expanded to Europe's largest specialist retailer for fine finishing; international distribution network (28 countries); 2025 — ISO 14001:2015 certified for sustainability and environmental management
Notable Customers
Apex Additive Technologies