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Views: 222 Author: Feifan Hardware Publish Time: 2026-05-15 Origin: Site
Learn the most important 3D printing terminology used in additive manufacturing, from CAD and G-code to infill, support structures, and post-processing. This expert guide also explains how terminology affects prototype quality, production planning, and OEM/ODM manufacturing decisions.
Open with a short, expert-led introduction that explains why terminology matters in real production, not just in theory. Mention that additive manufacturing is the industry-accepted technical term, while "3D printing" is the more common commercial term. [sme]
Explain that correct terminology improves communication between engineers, buyers, suppliers, and post-processing teams. For OEM/ODM projects, misunderstandings around file formats, tolerances, infill, or support removal can delay quoting and affect final part performance.
Clarify the difference in a simple table.
| Term | Meaning | Best Use |
|---|---|---|
| Additive manufacturing | Formal industry term for building parts layer by layer | Technical documents, standards, engineering discussions astm |
| 3D printing | Common commercial term used in marketing and general communication | Blogs, sales pages, buyer-friendly content 3yourmind |
Explain that CAD is the digital foundation of most printed parts and directly affects fit, function, and manufacturability. [stratasys]
Explain that G-code tells the printer how to move, heat, and deposit material, making it the executable language of the build process. [stratasys]
Explain that slicer software converts 3D models into machine instructions and sets print parameters such as layer height, support, and infill. [stratasys]
Explain how first-layer adhesion affects success rates and repeatability. [stratasys]
Explain the difference between feeding material and shaping material, and why nozzle size affects speed, detail, and surface finish. [stratasys]
Add practical explanations for infill, filament, viscosity, warping, overhang, raft, support structures, and UV curing. Focus on how each term changes strength, surface quality, cost, and lead time. [knowledge.ceadgroup]
This is one of the new high-value sections that improves the original article. Mention that the additive manufacturing market continues to grow, with market research projecting strong expansion through 2030, driven by customization, automation, and industrial adoption. You can also mention that 2025 industry reporting showed continued growth momentum in AM, reinforcing the need for buyers and suppliers to understand the terminology correctly. [marketsandmarkets]
This is another new section that adds unique value beyond the source article. Explain how precise terminology improves RFQs, drawing reviews, and prototype approvals. Include examples such as:
- "infill density" for lightweight parts.
- "support removal" for cosmetic surfaces.
- "post-curing" for resin parts.
- "tolerance requirements" for functional prototypes.
Add a practical decision framework:
1. Define the part's function.
2. Select the right material.
3. Confirm tolerance and surface finish needs.
4. Decide whether post-processing is required.
5. Match the process to the production goal.
Use a direct CTA near the end:
"Send us your 3D file or technical drawing for OEM/ODM evaluation, and our engineering team will review manufacturability, material options, and production feasibility."
That CTA works well for industrial B2B traffic because it converts educational readers into RFQ leads.
Include at least 5 FAQs, for example:
1. What is the difference between 3D printing and additive manufacturing?
3D printing is the commonly used term in business and general communication, while additive manufacturing is the more formal industry term. Both refer to the process of building parts layer by layer from a digital model.
2. Why is 3D printing terminology important for OEM and ODM projects?
Accurate terminology helps buyers and manufacturers communicate clearly about materials, tolerances, surface finish, and post-processing requirements. This reduces misunderstandings and improves quotation accuracy, prototype quality, and project efficiency.
3. What does G-code mean in 3D printing?
G-code is the machine instruction language that tells a 3D printer how to move, heat, and deposit material. It is generated by slicing software after the 3D model is prepared for printing.
4. What is infill in 3D printing?
Infill refers to the internal structure inside a printed part. It affects the part’s strength, weight, material usage, and print time, so it is an important setting in both prototype and production planning.
5. What is a slicer in additive manufacturing?
A slicer is software that converts a 3D model into layers and generates the instructions the printer needs to produce the part. It also helps set key parameters such as layer height, support structures, and print speed.
6. Why do some 3D printed parts need support structures?
Support structures are used to hold up overhangs, bridges, and complex shapes during printing. They help prevent collapse or deformation, and are usually removed after printing during post-processing.
7. How can terminology improve 3D printing quality?
When teams use the same technical language, it becomes easier to define requirements correctly. This helps avoid mistakes in design, printing, and finishing, leading to better part consistency and performance.
8. Can 3D printing be used for production, not just prototyping?
Yes. In many industries, 3D printing is used for functional prototypes, custom parts, tooling, and even low-volume production. The right terminology helps determine whether a part is better suited for prototyping or manufacturing.
1. Protolabs, An A to Z Guide of 3D Printing Terminology — https://www.protolabs.com/en-gb/resources/blog/an-a-to-z-guide-of-3d-printing-terminology/ [gushwork]
2. ASTM International, ISO/ASTM 52900 / Standard Terminology for Additive Manufacturing — https://www.astm.org/f3177-15.html [astm]
3. ASTM International, Additive manufacturing — General principles — https://www.astm.org/f3177-21.html [astm]
4. SME, 3D Printing Glossary — https://www.sme.org/globalassets/sme.org/training/certifications/additive-manufacturing-certification/3d-printing-glossary.pdf [sme]
5. Wohlers Associates, Additive Manufacturing Glossary of Terms — https://wohlersassociates.com/am-glossary-of-terms/ [wohlersassociates]
6. MarketsandMarkets, 3D Printing Market Size, Share & Growth — https://www.marketsandmarkets.com/Market-Reports/3d-printing-market-1276.html [marketsandmarkets]
7. Wohlers Associates, Wohlers Report 2025 shows 9.1% AM industry growth — https://wohlersassociates.com/news/wohlers-report-2025-shows-9-1-am-industry-growth/ [wohlersassociates]
