why the original 3D printing technique is still so popular and cost-effective

The original 3D printing technique, often referred to as stereolithography (SLA) or fused deposition modeling (FDM), remains popular and cost-effective for several reasons:

1. Low Initial Investment: Entry-level 3D printers based on FDM technology are relatively inexpensive compared to more advanced 3D printing methods like selective laser sintering (SLS) or direct metal laser sintering (DMLS). This low barrier to entry has made 3D printing accessible to hobbyists, small businesses, and educational institutions.

2. Ease of Use: FDM printers are generally user-friendly, with simple operation and maintenance requirements. They are often plug-and-play devices that do not necessitate specialized training, making them accessible to a wide range of users.

3. Widespread Availability of Materials: FDM printers use thermoplastic filaments, which are readily available in a variety of types and colors. This material diversity allows for a wide range of applications, from prototyping to end-use parts.

4. Cost of Materials: The materials used in FDM printing, such as PLA and ABS, are relatively inexpensive compared to the materials required for other 3D printing technologies. This cost-effectiveness extends to the overall production cost of 3D printed objects.

5. Design Freedom: FDM printing allows for complex geometries and intricate designs without the need for additional support structures in many cases. This design freedom is particularly useful for rapid prototyping and creating customized parts.

6. Speed: FDM printers can produce parts relatively quickly, especially for simple designs. This speed is beneficial for rapid prototyping and small-batch production.

7. Scalability: The FDM process is scalable, meaning that the same technology can be used for small desktop printers as well as larger industrial machines. This scalability allows businesses to grow their 3D printing capabilities without significant retooling or investment in new technologies.

8. Community and Open Source: The FDM 3D printing community is large and active, with a wealth of open-source resources available. Users can share designs, modifications, and improvements, which drives innovation and keeps costs down.

9. Environmental Factors: FDM printing can be more environmentally friendly than traditional manufacturing methods. It produces less waste because it uses only the material needed for the print and can often recycle or reuse failed prints.

10. Versatility: The simplicity and versatility of FDM technology make it suitable for a broad range of applications, from educational and artistic projects to industrial and medical applications.

Despite the advancements in 3D printing technology, the original techniques like FDM continue to be popular due to their combination of affordability, accessibility, and the ability to meet the needs of a wide variety of users and applications.

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