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<title>The usi3d blog</title>
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<description>Tutorials, guides and news to print better in 3D: how to create models with AI, choose the right filament, save material, prepare your parts and fix your printer.</description>
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<lastBuildDate>Wed, 04 Nov 2026 09:00:00 GMT</lastBuildDate>
<item><title>25 useful things and gifts to 3D print at home (Halloween and Christmas included)</title><link>https://usi3d.com/en/blog/3d-printing-ideas-at-home/</link><guid isPermaLink="true">https://usi3d.com/en/blog/3d-printing-ideas-at-home/</guid><pubDate>Thu, 29 Oct 2026 09:00:00 GMT</pubDate><category>Ideas</category><description>25 ideas to 3D print at home: useful objects, personalised gifts and Halloween and Christmas pieces, with the filament and settings for each.</description><enclosure url="https://usi3d.com/medios/blog/portadas/ideas-para-imprimir-en-3d.jpg" type="image/jpeg" length="0"/></item>
<item><title>Textures for your STL: wood, leather, carbon fibre or knurled relief</title><link>https://usi3d.com/en/blog/3d-textures-surface-relief-stl/</link><guid isPermaLink="true">https://usi3d.com/en/blog/3d-textures-surface-relief-stl/</guid><pubDate>Wed, 28 Oct 2026 09:00:00 GMT</pubDate><category>News</category><description>Add real surface relief to an STL or 3MF with 133 textures (wood, leather, carbon fibre, knurling) or your own, ready to print. New on usi3d.</description><enclosure url="https://usi3d.com/medios/blog/portadas/texturas-relieve-stl.jpg" type="image/jpeg" length="0"/></item>
<item><title>From your child's drawing to a 3D-printed figure</title><link>https://usi3d.com/en/blog/kids-drawing-to-3d-figure/</link><guid isPermaLink="true">https://usi3d.com/en/blog/kids-drawing-to-3d-figure/</guid><pubDate>Mon, 26 Oct 2026 09:00:00 GMT</pubDate><category>Ideas</category><description>Turn a child's drawing into a 3D figure you can print: which drawings work, how to photograph them and how usi3d models them with AI.</description><enclosure url="https://usi3d.com/medios/blog/portadas/dibujo-infantil-a-figura-3d.jpg" type="image/jpeg" length="0"/></item>
<item><title>usi3d in ChatGPT, Claude or Cursor: the API and MCP server</title><link>https://usi3d.com/en/blog/usi3d-in-chatgpt-claude-mcp/</link><guid isPermaLink="true">https://usi3d.com/en/blog/usi3d-in-chatgpt-claude-mcp/</guid><pubDate>Sun, 25 Oct 2026 09:00:00 GMT</pubDate><category>News</category><description>Connect usi3d to ChatGPT, Claude, Claude Code, Codex or Cursor through its MCP server: diagnose printer faults and create 3D models from chat.</description><enclosure url="https://usi3d.com/medios/blog/portadas/usi3d-en-chatgpt-claude-mcp.jpg" type="image/jpeg" length="0"/></item>
<item><title>How to 3D print parts bigger than your printer's bed</title><link>https://usi3d.com/en/blog/print-parts-bigger-than-your-bed/</link><guid isPermaLink="true">https://usi3d.com/en/blog/print-parts-bigger-than-your-bed/</guid><pubDate>Sat, 24 Oct 2026 09:00:00 GMT</pubDate><category>Tutorials</category><description>Split a model that won't fit your bed into parts with numbered dowels: where to cut, what clearance to use and how to glue it. Try it free with usi3d.</description><enclosure url="https://usi3d.com/medios/blog/portadas/imprimir-pieza-mas-grande-que-la-cama.jpg" type="image/jpeg" length="0"/></item>
<item><title>PLA vs PETG vs ASA vs TPU (plus ABS and nylon): which filament to use for every part</title><link>https://usi3d.com/en/blog/pla-vs-petg-vs-asa-vs-tpu/</link><guid isPermaLink="true">https://usi3d.com/en/blog/pla-vs-petg-vs-asa-vs-tpu/</guid><pubDate>Fri, 23 Oct 2026 09:00:00 GMT</pubDate><category>Materials</category><description>PLA, PETG, ASA, TPU, ABS and nylon compared: print temperatures, heat resistance, difficulty and which filament to choose for each part, with a table.</description><enclosure url="https://usi3d.com/medios/blog/portadas/pla-petg-asa-tpu-que-filamento-usar.jpg" type="image/jpeg" length="0"/></item>
<item><title>Your 3D printer nozzle: when to change it and which one to choose (brass, hardened steel, sizes)</title><link>https://usi3d.com/en/blog/when-to-change-3d-printer-nozzle/</link><guid isPermaLink="true">https://usi3d.com/en/blog/when-to-change-3d-printer-nozzle/</guid><pubDate>Wed, 21 Oct 2026 09:00:00 GMT</pubDate><category>Guides</category><description>When to change your 3D printer nozzle, signs of wear, brass or hardened steel, which size to pick (0.2 to 0.8 mm) and how to swap it properly.</description><enclosure url="https://usi3d.com/medios/blog/portadas/cuando-cambiar-la-boquilla.jpg" type="image/jpeg" length="0"/></item>
<item><title>usi3d's AI agent: ask for your 3D model in your own words and it does it with you</title><link>https://usi3d.com/en/blog/ai-agent-for-3d-creation/</link><guid isPermaLink="true">https://usi3d.com/en/blog/ai-agent-for-3d-creation/</guid><pubDate>Tue, 20 Oct 2026 09:00:00 GMT</pubDate><category>Tutorials</category><description>How to use usi3d's AI agent: describe the part, it prepares the 3D model with its cost, helps with printer faults and opens Colours or Split for you.</description><enclosure url="https://usi3d.com/medios/blog/portadas/agente-ia-crear-en-3d.jpg" type="image/jpeg" length="0"/></item>
<item><title>3D model licences explained: what you can print, share and sell (CC0, CC BY, BY-NC…)</title><link>https://usi3d.com/en/blog/3d-model-licences-explained/</link><guid isPermaLink="true">https://usi3d.com/en/blog/3d-model-licences-explained/</guid><pubDate>Mon, 19 Oct 2026 09:00:00 GMT</pubDate><category>Guides</category><description>CC0, CC BY, BY-SA, BY-NC and BY-ND explained: what each 3D model licence lets you do, how to credit the designer and when you can sell prints.</description><enclosure url="https://usi3d.com/medios/blog/portadas/licencias-modelos-3d.jpg" type="image/jpeg" length="0"/></item>
<item><title>Animate 3D: turn your model into a game-ready animated character (GLB and FBX)</title><link>https://usi3d.com/en/blog/animate-3d-model-for-games/</link><guid isPermaLink="true">https://usi3d.com/en/blog/animate-3d-model-for-games/</guid><pubDate>Sat, 17 Oct 2026 09:00:00 GMT</pubDate><category>News</category><description>usi3d's Animate 3D rigs and animates your 3D model for free in the browser, ready as GLB and FBX for Unity, Unreal, Godot or Blender.</description><enclosure url="https://usi3d.com/medios/blog/portadas/animar-modelo-3d-para-juegos.jpg" type="image/jpeg" length="0"/></item>
<item><title>How to save filament in 3D printing: infill, walls, supports and vase mode, with real numbers</title><link>https://usi3d.com/en/blog/save-filament-3d-printing/</link><guid isPermaLink="true">https://usi3d.com/en/blog/save-filament-3d-printing/</guid><pubDate>Fri, 16 Oct 2026 09:00:00 GMT</pubDate><category>Tips</category><description>How much filament you save with infill, walls, tree supports, vase mode or scaling, with real numbers, and how to work it out for your part with usi3d.</description><enclosure url="https://usi3d.com/medios/blog/portadas/ahorrar-filamento-impresion-3d.jpg" type="image/jpeg" length="0"/></item>
<item><title>STL vs OBJ vs GLB vs 3MF: differences and when to use each 3D file format</title><link>https://usi3d.com/en/blog/3d-file-formats-stl-obj-glb-3mf/</link><guid isPermaLink="true">https://usi3d.com/en/blog/3d-file-formats-stl-obj-glb-3mf/</guid><pubDate>Fri, 16 Oct 2026 09:00:00 GMT</pubDate><category>Guides</category><description>What each 3D file format (STL, OBJ, GLB, 3MF) stores, which to use for printing, painting or sharing, and how to convert them free with usi3d.</description><enclosure url="https://usi3d.com/medios/blog/portadas/formatos-3d-stl-obj-glb-3mf.jpg" type="image/jpeg" length="0"/></item>
<item><title>How to paint a 3D model for multicolour printing and export it as 3MF</title><link>https://usi3d.com/en/blog/paint-3d-model-multicolour-3mf/</link><guid isPermaLink="true">https://usi3d.com/en/blog/paint-3d-model-multicolour-3mf/</guid><pubDate>Thu, 15 Oct 2026 09:00:00 GMT</pubDate><category>Tutorials</category><description>Paint your STL or GLB with real filaments, reduce it to a few clean colours and export a 3MF for Bambu Studio, OrcaSlicer or PrusaSlicer.</description><enclosure url="https://usi3d.com/medios/blog/portadas/pintar-modelo-3d-varios-colores.jpg" type="image/jpeg" length="0"/></item>
<item><title>How to repair an STL (holes, normals) and improve the finish of an AI-made model</title><link>https://usi3d.com/en/blog/repair-stl-improve-finish/</link><guid isPermaLink="true">https://usi3d.com/en/blog/repair-stl-improve-finish/</guid><pubDate>Thu, 15 Oct 2026 09:00:00 GMT</pubDate><category>Tutorials</category><description>Fix an STL with holes, flipped faces or non-manifold edges for free and smooth the noise on an AI-made model in your browser with usi3d.</description><enclosure url="https://usi3d.com/medios/blog/portadas/reparar-stl-y-mejorar-acabado.jpg" type="image/jpeg" length="0"/></item>
<item><title>usi3d opens sign-ups to everyone: what an account includes and what is free</title><link>https://usi3d.com/en/blog/usi3d-open-to-everyone/</link><guid isPermaLink="true">https://usi3d.com/en/blog/usi3d-open-to-everyone/</guid><pubDate>Wed, 14 Oct 2026 09:00:00 GMT</pubDate><category>News</category><description>Anyone can now create a usi3d account. What is free, what uses credits and how to get the most from your first AI creation.</description><enclosure url="https://usi3d.com/medios/blog/portadas/usi3d-abre-las-altas.jpg" type="image/jpeg" length="0"/></item>
<item><title>How to make a 3D figurine of your pet from a photo</title><link>https://usi3d.com/en/blog/3d-figure-of-your-pet/</link><guid isPermaLink="true">https://usi3d.com/en/blog/3d-figure-of-your-pet/</guid><pubDate>Mon, 12 Oct 2026 09:00:00 GMT</pubDate><category>Tutorials</category><description>Make a 3D figurine of your dog or cat from a photo with usi3d: which photo works, how to describe its features, what size to choose and how to print it.</description><enclosure url="https://usi3d.com/medios/blog/portadas/figura-3d-de-tu-mascota.jpg" type="image/jpeg" length="0"/></item>
<item><title>First layer not sticking: causes, fixes and how to stop warping</title><link>https://usi3d.com/en/blog/first-layer-not-sticking/</link><guid isPermaLink="true">https://usi3d.com/en/blog/first-layer-not-sticking/</guid><pubDate>Sat, 10 Oct 2026 09:00:00 GMT</pubDate><category>Tips</category><description>First layer not sticking to your 3D printer bed? How to read the lines, clean the PEI sheet, set Z offset and temperature, and stop warping.</description><enclosure url="https://usi3d.com/medios/blog/portadas/primera-capa-no-pega.jpg" type="image/jpeg" length="0"/></item>
<item><title>145 free guides to fix your 3D printer, with official sources</title><link>https://usi3d.com/en/blog/3d-printer-troubleshooting-guides/</link><guid isPermaLink="true">https://usi3d.com/en/blog/3d-printer-troubleshooting-guides/</guid><pubDate>Fri, 09 Oct 2026 09:00:00 GMT</pubDate><category>News</category><description>usi3d publishes 145 free troubleshooting guides for FDM and resin 3D printers: symptom, causes, step-by-step fix and links to official documentation.</description><enclosure url="https://usi3d.com/medios/blog/portadas/guias-fallos-impresoras-3d.jpg" type="image/jpeg" length="0"/></item>
<item><title>3D printing glossary: 78 terms explained plainly</title><link>https://usi3d.com/en/blog/3d-printing-glossary/</link><guid isPermaLink="true">https://usi3d.com/en/blog/3d-printing-glossary/</guid><pubDate>Wed, 07 Oct 2026 09:00:00 GMT</pubDate><category>Guides</category><description>3D printing glossary: FDM, resin, slicer, infill, overhang, warping, PEI, hotend, Z offset and Klipper explained. 78 terms with examples and real figures.</description><enclosure url="https://usi3d.com/medios/blog/portadas/glosario-impresion-3d.jpg" type="image/jpeg" length="0"/></item>
<item><title>How much does 3D printing cost? The formula for filament, power, wear and time</title><link>https://usi3d.com/en/blog/how-much-does-3d-printing-cost/</link><guid isPermaLink="true">https://usi3d.com/en/blog/how-much-does-3d-printing-cost/</guid><pubDate>Tue, 06 Oct 2026 09:00:00 GMT</pubDate><category>Tips</category><description>How much 3D printing costs at home: a simple formula for filament, electricity, printer wear and your time, with worked examples and usi3d's calculator.</description><enclosure url="https://usi3d.com/medios/blog/portadas/cuanto-cuesta-imprimir-en-3d.jpg" type="image/jpeg" length="0"/></item>
<item><title>How to fix your 3D printer's problems with AI</title><link>https://usi3d.com/en/blog/fix-3d-printer-problems-with-ai/</link><guid isPermaLink="true">https://usi3d.com/en/blog/fix-3d-printer-problems-with-ai/</guid><pubDate>Mon, 05 Oct 2026 09:00:00 GMT</pubDate><category>Tutorials</category><description>How to describe a 3D printer problem so AI can diagnose it: what to say, which photos to take and how to follow the steps on usi3d.</description><enclosure url="https://usi3d.com/medios/blog/portadas/resolver-fallos-impresora-3d-con-ia.jpg" type="image/jpeg" length="0"/></item>
<item><title>Your first 3D print: from the box to a clean part</title><link>https://usi3d.com/en/blog/first-3d-print-beginners-guide/</link><guid isPermaLink="true">https://usi3d.com/en/blog/first-3d-print-beginners-guide/</guid><pubDate>Sat, 03 Oct 2026 09:00:00 GMT</pubDate><category>Guides</category><description>A beginner's guide to your first 3D print: setup, bed levelling, first layer, cleaning the plate, slicer and filament so it works first time.</description><enclosure url="https://usi3d.com/medios/blog/portadas/guia-primera-impresion-3d.jpg" type="image/jpeg" length="0"/></item>
<item><title>Text to 3D: how to describe your part so the AI models it well</title><link>https://usi3d.com/en/blog/text-to-3d-how-to-describe-your-part/</link><guid isPermaLink="true">https://usi3d.com/en/blog/text-to-3d-how-to-describe-your-part/</guid><pubDate>Fri, 02 Oct 2026 09:00:00 GMT</pubDate><category>Tutorials</category><description>How to write a good text-to-3D prompt: the formula, good and bad examples, what to avoid and how to do it step by step on usi3d.</description><enclosure url="https://usi3d.com/medios/blog/portadas/texto-a-3d-como-describir-tu-pieza.jpg" type="image/jpeg" length="0"/></item>
<item><title>How to turn a photo into a printable 3D model with AI</title><link>https://usi3d.com/en/blog/photo-to-3d-model-with-ai/</link><guid isPermaLink="true">https://usi3d.com/en/blog/photo-to-3d-model-with-ai/</guid><pubDate>Thu, 01 Oct 2026 09:00:00 GMT</pubDate><category>Tutorials</category><description>How to turn a photo into a 3D model with AI: which photo works, how to generate it with usi3d's Image to 3D and how to check it before printing.</description><enclosure url="https://usi3d.com/medios/blog/portadas/foto-a-modelo-3d-con-ia.jpg" type="image/jpeg" length="0"/></item>
<item><title>Introducing usi3d: create in 3D with AI, prepare your part, fix your printer</title><link>https://usi3d.com/en/blog/introducing-usi3d/</link><guid isPermaLink="true">https://usi3d.com/en/blog/introducing-usi3d/</guid><pubDate>Wed, 30 Sep 2026 09:00:00 GMT</pubDate><category>News</category><description>usi3d is a 3D printing website: create 3D models with AI from text or a photo, prepare them for printing and fix your 3D printer's problems.</description><enclosure url="https://usi3d.com/medios/blog/portadas/nace-usi3d.jpg" type="image/jpeg" length="0"/></item>
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