{"product_id":"double-line-gel-pen-set-0-1mm-0-3mm-0-5mm-art-design-notes","title":"Double-Line Gel Pen Set 0.1mm 0.3mm 0.5mm – Art \u0026 Design","description":"\n\u003ch2\u003eDouble-Line Gel Pen Set – Precision Writing for Art, Design \u0026amp; Study\u003c\/h2\u003e\n\u003cp\u003eElevate your creative and academic work with this \u003cstrong\u003eDouble-Line Gel Pen Set\u003c\/strong\u003e, available in three ultra-fine tip sizes — \u003cstrong\u003e0.1mm, 0.3mm, and 0.5mm\u003c\/strong\u003e. Whether you're drafting architectural blueprints, illustrating detailed artwork, sketching technical drawings, or writing precise study notes, these pens deliver clean, consistent dual lines in every stroke.\u003c\/p\u003e\n\n\u003cp\u003eThe unique double-line design produces two parallel lines simultaneously, making it a go-to tool for architects, students, artists, and designers who need structured, eye-catching linework with minimal effort.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree tip sizes:\u003c\/strong\u003e 0.1mm, 0.3mm, and 0.5mm for versatile line widths\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDouble-line output:\u003c\/strong\u003e Creates two parallel lines in one smooth stroke\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmooth gel ink flow:\u003c\/strong\u003e Consistent, skip-free writing and drawing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable plastic body:\u003c\/strong\u003e Lightweight yet sturdy for prolonged use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClassic black ink:\u003c\/strong\u003e High contrast for clear, readable lines on white paper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-use design:\u003c\/strong\u003e Ideal for architectural drafts, exams, note-taking, calligraphy, and illustration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable in 1-pack or 3-pack\u003c\/strong\u003e to suit your needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eArchitecture \u0026amp; engineering students and professionals\u003c\/li\u003e\n  \u003cli\u003eArtists \u0026amp; illustrators seeking unique line effects\u003c\/li\u003e\n  \u003cli\u003eStudents who want standout, structured notes\u003c\/li\u003e\n  \u003cli\u003eBullet journaling, hand lettering \u0026amp; creative writing\u003c\/li\u003e\n  \u003cli\u003eDesign exams \u0026amp; technical drawing assignments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInk Color:\u003c\/strong\u003e Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTip Sizes:\u003c\/strong\u003e 0.1mm \/ 0.3mm \/ 0.5mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e 1-piece or 3-piece set\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003ePlease allow a 2–3% size variation due to manual measurement. Actual ink color may vary slightly from screen images due to monitor settings.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eExplore More Creative Tools\u003c\/h3\u003e\n\u003cp\u003eLooking for more art and craft supplies? Check out our \u003ca href=\"\/products\/1-inch-unfinished-wooden-cubes-9-pack-diy-craft-blocks\"\u003e1-Inch Unfinished Wooden Cubes – 9-Pack DIY Craft Wood Blocks\u003c\/a\u003e and our \u003ca href=\"\/products\/1-64-scale-hand-painted-miniature-people-figurines-diorama\"\u003e1\/64 Scale Hand Painted Miniature People Figurines for Diorama\u003c\/a\u003e for more inspiration.\u003c\/p\u003e\n\n\u003cp\u003eFor tips on best practices in technical drawing and design, visit the Smithsonian Institution, a trusted resource for art, design, and cultural education.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Gel_pen\" target=\"_blank\" rel=\"noopener\"\u003eGel pen\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What makes this a \"double-line\" gel pen?\u003c\/h4\u003e\n\u003cp\u003eA: The double-line gel pen features a specially engineered tip that draws two parallel lines simultaneously in a single stroke. This creates a distinctive, structured line effect ideal for architectural design, decorative note-taking, and artistic illustration.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Which tip size should I choose for architectural drawing?\u003c\/h4\u003e\n\u003cp\u003eA: For fine architectural detail and technical linework, the \u003cstrong\u003e0.1mm tip\u003c\/strong\u003e is perfect. The \u003cstrong\u003e0.3mm\u003c\/strong\u003e is great for medium-weight lines and annotations, while the \u003cstrong\u003e0.5mm\u003c\/strong\u003e suits bolder outlines and emphasis lines. Purchasing the 3-pack gives you all three sizes for complete versatility.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the ink waterproof or smudge-resistant?\u003c\/h4\u003e\n\u003cp\u003eA: These gel pens use black gel ink that dries quickly to minimize smudging during writing. For archival or watercolor projects, we recommend testing on your specific paper before full use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can beginners use these pens for art and calligraphy?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely! The smooth, consistent ink flow makes these double-line gel pens accessible for beginners and seasoned artists alike. They are especially popular for bullet journaling, hand lettering, and creative note-taking styles.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What makes this a \\\"double-line\\\" gel pen?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The double-line gel pen features a specially engineered tip that draws two parallel lines simultaneously in a single stroke. This creates a distinctive, structured line effect ideal for architectural design, decorative note-taking, and artistic illustration.\"}}, {\"@type\": \"Question\", \"name\": \"Which tip size should I choose for architectural drawing?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"For fine architectural detail and technical linework, the 0.1mm tip is perfect. The 0.3mm is great for medium-weight lines and annotations, while the 0.5mm suits bolder outlines and emphasis lines. Purchasing the 3-pack gives you all three sizes for complete versatility.\"}}, {\"@type\": \"Question\", \"name\": \"Is the ink waterproof or smudge-resistant?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These gel pens use black gel ink that dries quickly to minimize smudging during writing. For archival or watercolor projects, we recommend testing on your specific paper before full use.\"}}, {\"@type\": \"Question\", \"name\": \"Can beginners use these pens for art and calligraphy?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely! The smooth, consistent ink flow makes these double-line gel pens accessible for beginners and seasoned artists alike. They are especially popular for bullet journaling, hand lettering, and creative note-taking styles.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/0i45ne-c8.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Crafts, DIY \u0026 Office\", \"item\": \"https:\/\/0i45ne-c8.myshopify.com\/collections\/crafts-diy-office\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Double-Line Gel Pen Set 0.1mm 0.3mm 0.5mm – Art \u0026 Design\", \"item\": \"https:\/\/0i45ne-c8.myshopify.com\/products\/double-line-gel-pen-set-0-1mm-0-3mm-0-5mm-art-design-notes\"}]}\u003c\/script\u003e","brand":"Zpaxo","offers":[{"title":"0.5mm","offer_id":54170649985334,"sku":"14:496#0.5mm","price":5.83,"currency_code":"USD","in_stock":false},{"title":"0.3mm","offer_id":54170650018102,"sku":"14:200003699#0.3mm","price":5.83,"currency_code":"USD","in_stock":false},{"title":"3pcs","offer_id":54170650050870,"sku":"14:1052#3pcs","price":5.83,"currency_code":"USD","in_stock":false},{"title":"0.1mm","offer_id":54170650083638,"sku":"14:29#0.1mm","price":5.83,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/7774\/3158\/files\/Sb7a28356b8fa417eb348f3f4a12956bba.webp?v=1782840689","url":"https:\/\/0i45ne-c8.myshopify.com\/products\/double-line-gel-pen-set-0-1mm-0-3mm-0-5mm-art-design-notes","provider":"Zpaxo","version":"1.0","type":"link"}