> For the complete documentation index, see [llms.txt](https://wiki.polymaker.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wiki.polymaker.com/the-basics/fun-3d-printing-facts/standard-pla-is-actually-strong.md). # Standard PLA is Actually Strong Many people in the 3D printing community often consider standard PLA to be a weak or fragile material. However, this perception doesn’t tell the full story. In reality, standard PLA exhibits impressive strength in several important mechanical aspects. It is known for being very rigid and having good tensile strength, allowing it to withstand substantial loads and maintain its shape under pressure. This makes PLA well-suited for many applications where stiffness and dimensional stability are critical. The misconception about PLA’s weakness largely stems from its relatively low impact resistance. While PLA can handle steady forces and tension well, it is more prone to cracking or breaking when subjected to sudden impacts or drops. This means that although a PLA print might not bend or deform easily under normal use, it can be brittle when faced with sharp shocks or accidental falls. Therefore, impact resistance is just one way to measure material strength, and PLA’s excellent rigidity and tensile capabilities mean it can be quite strong when used in the right contexts and for parts designed to avoid impact stresses. {% embed url="" %} --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter: ``` GET https://wiki.polymaker.com/the-basics/fun-3d-printing-facts/standard-pla-is-actually-strong.md?ask=&goal= ``` `ask` is the immediate question: it should be specific, self-contained, and written in natural language. `goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.