R3 Printing
Develops industrial-grade FFF 3D printers designed for automated, high-throughput on-demand manufacturing with open material systems.
- CEO / Founder
- Paul Sieradzki
- Team Size
- 1-10
- Stage
- Growth Stage
- Total Funding
- $6.16M
- Latest Round
- Crowdfunding
- Key Investors
- Bay Wharf Capital; Meyer Global Management; Startup Warrior; Ocean Accelerator
Technology & Products
Key Products
R3 Printer (FFF, 450x370x370mm build volume, 500°C nozzle, 90°C chamber, open materials); R3 Printer Ultra (FFF, same build volume, 500°C nozzle, 150°C chamber, 235°C bed, supports PEEK/PEKK/PEI/Ultem)
Differentiation
Value Proposition
Industrial-grade, American-made FFF 3D printers designed for high uptime, low manual labor, and open material compatibility — enabling on-demand manufacturers to scale production without proprietary material lock-in.
How They Differentiate
Unlike competitors that lock users into proprietary materials or focus on prototyping, R3 Printing's printers are designed from the ground up for production environments: open material ecosystem, high-temperature capability (up to 500°C nozzle / 150°C chamber on Ultra), dual-nozzle with inactive lift, automatic calibration, liquid-cooled print head, and full local-network operation without cloud dependency.
Market & Competition
Target Customers
On-demand 3D printing service bureaus, aerospace/defense manufacturers, engineering firms, and industrial production facilities needing high-throughput additive manufacturing.
Industry Verticals
Aerospace & Defense; On-Demand Manufacturing Services; Industrial Production; Automotive
Competitors
Markforged; Stratasys; Roboze
Growth & Milestones
Major Milestones
2018: Founded; graduated Ocean Accelerator; won Fordham Foundry Pitch Challenge. 2019: First Republic equity crowdfunding campaign ($532K). 2020: SBIR Phase I grant from US Air Force; Seed round ($2.16M). 2022: StartEngine crowdfunding ($1.3M+). 2024: $3.4M StartEngine raise at $35M valuation cap (~3,000 investors). 2026: Emerged from stealth; launched R3 Printer and R3 Printer Ultra; shipping begins August 31, 2026.
Notable Customers
Multiple US Air Force bases (MOUs with 6 bases); on-demand manufacturing service bureaus
AM patents
AM-relevant patents linked to this company.
- Patents
- 17
- Granted
- 13
- Families
- 7
Leading domains: equipment (17), process (17)
Filings by year: 2017: 5 · 2016: 11 · 2015: 1
- System and method for automated successive three-dimensional printing12515406 · US
- System and method for automated successive three-dimensional printing11110658 · US
- System and method for automated successive three-dimensional printing11731355 · US
- System and method for automated successive three-dimensional printing10723075 · US
- System and method for on-demand colorization for extrusion-based additive construction11110696 · US