https://emsenn.net/tags/3dprinting/ Recent content in 3DPrinting on emsenn.net Hugo en-us Wed, 31 Dec 2025 00:00:00 +0000 https://emsenn.net/library/domains/engineering/domains/fabrication/domains/additive-manufacturing/domains/fused-filament-fabrication/texts/apply-3d-printing-safety-checks/ Wed, 31 Dec 2025 00:00:00 +0000 https://emsenn.net/library/domains/engineering/domains/fabrication/domains/additive-manufacturing/domains/fused-filament-fabrication/texts/apply-3d-printing-safety-checks/ <h1 id="apply-3d-printing-safety-checks">Apply 3D Printing Safety Checks</h1> <ul> <li>Identify any small parts that fit inside a 31 mm by 57 mm cylinder (choking hazard).</li> <li>If a part is a choking hazard, emboss a warning on the part or include the warning in packaging notes.</li> <li>Note sharp edges, pinch points, or heat risks if the part will be handled during use.</li> <li>Record hazards and mitigations in the project notes before sharing or printing.</li> </ul> https://emsenn.net/library/domains/engineering/domains/fabrication/domains/additive-manufacturing/domains/fused-filament-fabrication/texts/3d-printing-quickstart/ Tue, 30 Dec 2025 00:00:00 +0000 https://emsenn.net/library/domains/engineering/domains/fabrication/domains/additive-manufacturing/domains/fused-filament-fabrication/texts/3d-printing-quickstart/ <h2 id="assumed-audience">Assumed audience</h2> <ul> <li>Reading level: general adult.</li> <li>Background: no engineering required.</li> <li>Goal: print a simple object safely.</li> </ul> <h2 id="what-you-need">What you need</h2> <ul> <li>An FDM 3D printer.</li> <li>PLA filament.</li> <li>Slicer software.</li> <li>A simple model file (STL).</li> </ul> <h2 id="steps">Steps</h2> <ol> <li>Load filament and preheat the nozzle.</li> <li>Open the model in your slicer.</li> <li>Choose a basic profile (0.2 mm layer height, 20 percent infill).</li> <li>Slice and export gcode.</li> <li>Start the print and watch the first layer.</li> </ol> <h2 id="first-layer-checklist">First-layer checklist</h2> <ul> <li>The filament should stick without gaps.</li> <li>Lines should touch, not be separated.</li> <li>If the first layer fails, stop and re-level the bed.</li> </ul> <h2 id="after-the-print">After the print</h2> <ul> <li>Let the part cool before removal.</li> <li>Clean edges with a knife or sandpaper if needed.</li> </ul> <h2 id="safety-and-hazards">Safety and hazards</h2> <ul> <li>Avoid printing small parts for children unless they are labeled as choking hazards.</li> <li>If a part is a choking hazard, emboss a warning on the part or include it in packaging notes.</li> </ul> https://emsenn.net/library/domains/engineering/domains/fabrication/domains/additive-manufacturing/domains/fused-filament-fabrication/texts/material-behavior-fdm/ Tue, 30 Dec 2025 00:00:00 +0000 https://emsenn.net/library/domains/engineering/domains/fabrication/domains/additive-manufacturing/domains/fused-filament-fabrication/texts/material-behavior-fdm/ <h2 id="assumed-audience">Assumed audience</h2> <ul> <li>Reading level: technical.</li> <li>Background: basic materials concepts.</li> <li>Goal: connect material behavior to print settings.</li> </ul> <h2 id="key-effects">Key effects</h2> <ul> <li>Warping: cooling shrinkage pulls corners up.</li> <li>Layer adhesion: higher temperature improves bonding.</li> <li>Brittleness: some polymers crack under impact.</li> </ul> <h2 id="practical-controls">Practical controls</h2> <ul> <li>Bed temperature: reduces warping by slowing cooling.</li> <li>Enclosure: stabilizes ambient temperature.</li> <li>Layer height: smaller layers improve surface finish.</li> </ul> <h2 id="material-examples">Material examples</h2> <ul> <li>PLA: easy to print, lower heat resistance.</li> <li>PETG: tougher, more stringing.</li> <li>ABS: strong, prone to warping without <a href="../../../../../../../../humanities/domains/sociology/terms/enclosure.md" class="link-internal">enclosure</a>.</li> </ul> https://emsenn.net/library/domains/engineering/domains/fabrication/domains/additive-manufacturing/domains/fused-filament-fabrication/texts/what-is-3d-printing/ Tue, 30 Dec 2025 00:00:00 +0000 https://emsenn.net/library/domains/engineering/domains/fabrication/domains/additive-manufacturing/domains/fused-filament-fabrication/texts/what-is-3d-printing/ <h2 id="assumed-audience">Assumed audience</h2> <ul> <li>Reading level: general adult.</li> <li>Background: no engineering required.</li> <li>Goal: understand the basic idea and why it matters.</li> </ul> <h2 id="core-idea">Core idea</h2> <p>3D printing makes physical objects by adding material layer by layer from a digital design.</p> <h2 id="common-kinds">Common kinds</h2> <ul> <li>FDM (Fused Deposition Modeling): melted plastic is laid down in layers.</li> <li>Resin printing: liquid resin is hardened by light in thin layers.</li> </ul> <h2 id="why-people-use-it">Why people use it</h2> <ul> <li>Rapid prototyping.</li> <li>Custom parts or tools.</li> <li>Small-batch manufacturing.</li> </ul> <h2 id="limits-to-know">Limits to know</h2> <ul> <li>Prints have layer lines and weaker direction across layers.</li> <li>Print quality depends on setup and material choice.</li> </ul>