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We are ISO 9001 certified!

Eye-level view of a row of FDM 3D printers operating in a controlled print farm environment
Manufactring process inspection by our engineering team


Gramm is now ISO 9001 certified! This marks a significant milestone for the development of our manufacturing service. Starting in November of 2025, it took us only four months to satisfy all the necessary requirements.


You can download our ISO 9001 certificate here:



Thank you very much to our certification agency bavaria certification GmbH, and Max Cerny-Probst, our consultant:



Achieving ISO 9001 certification marks a significant milestone for any manufacturing operation. For our FDM (Fused Deposition Modeling) print farm, this certification confirms that our quality management system meets international standards. It reflects our commitment to consistent quality, continuous improvement, and customer satisfaction. This post shares the journey, benefits, and practical impact of earning ISO 9001 certification for our FDM print farm.



What ISO 9001 Certification Means for Our FDM Print Farm


ISO 9001 is an internationally recognized standard for quality management systems. It requires organizations to demonstrate their ability to consistently provide products and services that meet customer and regulatory requirements. For our FDM print farm, this means:


  • Standardized processes for print preparation, machine operation, and post-processing

  • Clear documentation of procedures and quality checks

  • Regular internal audits to identify and fix issues before they affect output

  • Focus on customer feedback to improve service and product quality


This certification is not just a badge; it is a framework that helps us deliver reliable, high-quality 3D printed parts every time.


How We Prepared for ISO 9001 Certification


Preparing for ISO 9001 certification involved a thorough review and improvement of our existing workflows. Key steps included:


  • Mapping every stage of the FDM printing process, from file preparation to final inspection

  • Defining quality criteria for printed parts, such as dimensional accuracy, surface finish, and mechanical properties

  • Training staff on quality standards and documentation requirements

  • Implementing a traceability system to track each print job and machine maintenance

  • Conducting mock audits to ensure compliance and readiness


This preparation took several months but resulted in a more organized and transparent operation.


Benefits We Experienced After Certification


Since obtaining ISO 9001 certification, our FDM print farm has seen tangible improvements:


  • Reduced print failures due to better process control and preventive maintenance

  • Faster turnaround times because of streamlined workflows and fewer reprints

  • Higher customer confidence leading to increased repeat business

  • Improved team accountability with clear roles and responsibilities

  • Easier compliance with industry regulations when supplying critical parts


These benefits contribute directly to our competitiveness and reputation in the 3D printing market.


Practical Examples of Quality Improvements


To illustrate the impact, here are some specific examples from our print farm:


  • We introduced a checklist for machine calibration before each print run. This reduced dimensional errors by 30% within three months.

  • Our post-processing team adopted a standardized sanding and cleaning procedure, improving surface finish consistency and customer satisfaction scores.

  • By documenting and analyzing print failures, we identified filament batch issues early, avoiding costly delays.

  • Customer feedback forms now include detailed questions about part quality, helping us target improvements more effectively.


These examples show how ISO 9001 drives continuous improvement through practical actions.


What This Means for Our Customers


For customers, our ISO 9001 certification means they can trust the quality and reliability of parts produced by our FDM print farm. It assures:


  • Consistent part quality that meets specifications

  • Transparent communication about order status and quality checks

  • Faster resolution of any issues due to documented processes

  • Confidence in working with a certified supplier committed to excellence


This trust is essential for industries where precision and reliability are critical, such as aerospace, automotive, and medical devices.


Looking Ahead: Maintaining and Building on Our Certification


Certification is not a one-time event but an ongoing commitment. We plan to:


  • Regularly review and update our quality management system

  • Invest in staff training and development

  • Adopt new technologies that enhance print quality and efficiency

  • Expand our certification scope as we grow and diversify services


Our goal is to keep raising the bar and deliver the best possible 3D printing experience.



 
 
 

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