# Stratum Private Limited (Stratum Pvt. Ltd.) > Stratum is an Ahmedabad, Gujarat, India company that builds industrial, large-format pellet extrusion 3D printers: "Additive & Subtractive Manufacturing Systems". Its open-platform machines are designed for large-format production, from standalone enclosures to robotic-arm integrations, and print with industrial thermoplastic pellets, including recycled thermoplastics. Official website: https://stratumpvt.com/ Legal name: Stratum Private Limited. Also written Stratum Pvt. Ltd. Registered office: Shed No.259, Gopal Charan Industrial Hub, Bakrol, Ahmedabad - 382430, Gujarat, India. Email: info@stratumpvt.com | Phone: +91 9327441617 ## About Stratum - [About Stratum](https://stratumpvt.com/about): Company mission and values: innovation, precision and sustainability in large-scale additive manufacturing, built around open-platform pellet extrusion systems. - [Home](https://stratumpvt.com/): Overview of Stratum's technology and latest updates. ## Machines - [Machines overview](https://stratumpvt.com/machine): Stratum's industrial-grade, large-format 3D printing systems, from standalone enclosures to robotic-arm integrations. ## Materials - [Materials](https://stratumpvt.com/material): The thermoplastic composites Stratum's extruders print with: carbon fiber PETG, glass fiber PP, PLA composites, ABS/PC blends, PEEK, flexible TPU, and recycled thermoplastics. ## Moulds and patterns - [Moulds & Patterns](https://stratumpvt.com/moulds-patterns): Large-format pellet extrusion used to print moulds, foundry patterns and production tooling (sand-casting patterns, composite lay-up moulds, thermoforming dies, investment-casting patterns, jigs and fixtures). ## Software - [Software](https://stratumpvt.com/software): Software news from Stratum, including The Stratum One, proprietary software still in development that is intended to act as a hub for all future Stratum machines. ## Contact and enquiries - [Contact](https://stratumpvt.com/Contact): General enquiries form. - [Request a quote](https://stratumpvt.com/request_quote): Ask for pricing on a Stratum machine. ## Latest blog posts - [Building STRATUM — Advanced Additive and Subtractive Systems](https://stratumpvt.com/blog_post?id=9): Our journey involves designing and building industrial machines, exploring additive manufacturing and Subtractive manufacturing,.. - [What Comes Next is Marvelous](https://stratumpvt.com/blog_post?id=8): At Stratum, we're building advanced manufacturing technologies designed to push beyond - [Stratum Private Limited](https://stratumpvt.com/blog_post?id=7): I'm Arya, Co-founder of Stratum Private Limited. We believe manufacturing is entering a new chapter one where digital design meets physical production with fewer limitations, where machines become more capable, and wher… - [All blog posts](https://stratumpvt.com/blogs) ## Optional - [Sitemap](https://stratumpvt.com/sitemap.xml): Every public page, kept up to date automatically.