3D Printing’s Impact on the Supply Chain

Once a niche tool for designers and hobbyists, 3D printing has increasingly become a mainstay in production processes across multiple industries. This integration has far-reaching implications for traditional supply chains, introducing more flexibility and scalability while mitigating disruptions. As the technology gains traction, businesses are exploring its role in reshaping entire manufacturing workflows and how it can be adapted to changing demands.

How 3D Printing Is Shaping the Supply Chain

The supply chain landscape faces several challenges, including ongoing disruptions. The past few years have been a whirlwind of unprecedented events, from global health crises and natural disasters to increasing geopolitical tensions.

These upheavals underscore the need for more agility and resilience in manufacturing, warehousing and logistics processes. For instance, manufacturers are under immense pressure to minimize lead times and ensure consistent availability of critical parts even during unexpected shifts in demand. The rest of the supply chain suffers from delays or setbacks.

Integrating 3D printing — also known as additive printing — can pave the way for more responsive processes. Companies that have done so are noticing key benefits.

Shorter Time to Market

Traditionally, manufactured parts tend to go through multiple departments. For example, they can be cut, molded, polished and welded. In some cases, production may also involve outsourcing, which further lengthens the time for the product to be assembled and shipped. In addition to the time spent, this multistep process can be expensive. Around 20%-30% of a company’s inventory expenses come from the cost of parts.

3D printing effectively reduces the steps required to create and assemble a product. Printers with the right design and materials can generate all the needed parts in a single location, shortening the time to market and saving money.

On-Demand Inventory

Massive warehouses containing unused parts and equipment are a cash drain in plain sight. The longer these items accumulate dust on the shelves, the higher the cost to the company that owns them. Additionally, these products take up valuable storage space that could be utilized for other needs.

3D printing enables producing parts on demand, so companies can manufacture what they need when needed. It also facilitates a digital warehouse, allowing businesses to store their design files and computerized inventory on the cloud, negating the need for physical space. Using production inventory management software on top of this digital setup further streamlines operations, helping companies track inventory, schedule production, and reduce waste more efficiently.

Decentralized Supply Chain

Adopting 3D printing facilitates the transition toward a more decentralized and distributed supply chain structure where manufacturing can occur much closer to the intended final destination.

A decentralized manufacturing setup provides a viable solution to addressing supply chain disruptions resulting from geopolitical instability. For example, the Red Sea-Suez Canal route, traditionally the go-to passage for global consumer trade, has been subject to risks posed by Houthi attacks. As a result, ships have to reroute to the Horn of Africa, which adds roughly 6,000 nautical miles to the journey.

These complexities create logistical nightmares and higher costs — freight rates have increased almost tenfold than in pre-pandemic times, and the current inflation hike worsens the situation. In most cases, end customers bear the weight of this price surge, which is untenable from a business perspective. Distributed manufacturing helps companies sidestep several logistics issues, reducing lead times and lowering operating spending.

Enhanced Sustainability

Strategically placed 3D printing facilities worldwide can improve sustainability across the supply chain. Facilitating localized production lets additive manufacturing dramatically reduce reliance on fossil-fueled shipping and last-mile deliveries.

Just as organizations can store parts digitally, they can send design files securely across the globe to the 3D printing establishment nearest to the end users. This allows companies to eliminate the physical transportation of goods, decreasing their carbon footprint.

3D printing also facilitates reduced waste generation, another massive environmental concern in the supply chain. Approximately $163 billion worth of inventory is thrown out yearly, mostly ending up in landfills or polluting the oceans. Since there’s a reduced need to maintain physical stock, there is a lower risk of overproduction and obsolescence, minimizing waste.

The Challenges Ahead

3D printing technology has made significant advancements but remains limited in its scope of applications due to material and design constraints.

Plastic and metals are the most commonly used materials, but they present their own challenges. The increasing use of plastic and similar resin-like items undercuts global sustainability efforts, raising ethical concerns and risking the ire of today’s eco-conscious customers.

Many products today contain aluminum and steel. However, these metals have high melting points, making them largely unusable for commercial-scale 3D printing. Additionally, they may pose design limitations, which can impact printed objects’ structural integrity.

Another roadblock is the speed of operations. Many industrial 3D printers lag behind conventional mechanized processes, often taking long hours to print items. This particular barrier prevents the widespread adoption of 3D printing in mass-production industries like automobiles and mobile phones.

Despite these limitations, 3D printing is poised to revolutionize business processes shortly. Integrating the technology into existing supply chain management is essential to improving agility and cost-effectiveness, greatly impacting the bottom line. In fact, 79% of organizations with resilient supply chains post higher revenue figures than other companies within their respective industries.

The Next Era of 3D Printing and Supply Chain Integration

Materials and process automation advancements will be the driving force behind the next major change in additive manufacturing. The process will gain broader industry acceptance as newer, more sustainable materials emerge. The cost must also come down dramatically to justify using 3D printing over conventional methods across the supply chain.

The convergence of AI and 3D printing will be vital in improving the scope of applications across industries. Advancing innovations in machine learning models to monitor and adjust the process to correct errors can significantly impact printing times.

Some startups already use AI to monitor 3D printing and automatically predict part distortion. For example, AMAIZE, an AI software, can modify the printer’s instructions in real time, automatically adjusting to get the output right. This improves the printer’s efficiency and minimizes material waste, reducing up to 80% of support structures for critical parts and saving costs.

It is fascinating to see how things are already changing in global supply chain management and best practices. The need for collaborative ecosystems becomes increasingly evident as the industry evolves. Integrating diverse expertise and resources will drive innovation and address complex constraints. This approach also fosters a culture of knowledge-sharing and decentralized problem-solving, leading to advanced supply chain optimization.

3D Printing’s Impact on the Supply Chain

3D printing’s influence on global supply chains is undeniable. Its ability to reduce time to market, make products available on demand and improve sustainability makes this technology a transformative force. While challenges remain, its role in shaping the future of manufacturing, warehousing and transportation is exciting and promising.

Emily Newton is the Editor-in-Chief of Revolutionized Magazine, an online publication that explores innovations in science and technology.