Adjustable Rotary Circle Tool

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.product-detail-container { --primary: #C9A347; /* Matte Gold accent based on product */ --text-main: #2C2C2C; --text-sub: #555555; --bg-card: #F9F9F7; --bg-soft: #EFEFEF; --border -light: #E0E0E0; --radius-sm: 4px; --radius-md: 8px; --spacing-section: clamp(3rem, 6vw, 5rem); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: var(--text-main); line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 0 5%; box-sizing: border-box; } /* Typography */ .product-detail-container h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 700; line-height: 1.2; margin-bottom: 1rem; } .product-detail-container h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 600; margin-bottom: 1.5rem; } .product-detail-container h3 { font-size: 20px; font-weight: 600; margin-bottom: 0.75rem; } .product-detail-container p { font-size: clamp(16px, 1.5vw, 18px); color: var(--text-sub); margin-bottom: 1.5rem; } /* Reusable Components */ .pd-tag { display: inline-block; background-color: var(--bg-card); color: var(--primary); padding: 6px 12px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; margin-bottom: 1rem; border: 1px solid var(--primary); } .pd-pill-group { display: flex; flex-wrap: wrap; gap: 0.75rem; } .pd-pill { background-color: var(--bg-card); padding: 6px 14px; border-radius: 20px; font-size: 15px; color: var(--text-sub); border: 1px solid var(--border-light); } /* Image Placeholder */ .img-placeholder { width: 100%; background-color: var(--bg-soft); border: 2px dashed var(--border-light); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: var(--text-sub); font-family: monospace; padding: 1rem; box-sizing: border-box; aspect-ratio: 4/3; /* Default aspect ratio */ } .img-placeholder.square { aspect-ratio: 1/1; } .img-placeholder.wide { aspect-ratio: 16/9; } /* --- Sections --- */ /* Hero Section */ .pd-hero { text-align: center; margin-bottom: var(--spacing-section); padding-top: 2rem; } .pd-hero .hero-content { max-width: 800px; margin: 0 auto 2rem; } /* Feature Sections (Z-Pattern) */ .pd-feature { display: flex; align-items: center; gap: clamp(2rem, 5vw, 4rem); margin-bottom: var(--spacing-section); } .pd-feature.reversed { flex-direction: row-reverse; } .pd-feature-media, .pd-feature-copy { flex: 1; } /* Scenario Banner */ .pd-scenario-banner { margin-bottom: var(--spacing-section); text-align: center; } .pd-scenario-banner .scenario-intro { max-width: 700px; margin: 0 auto 2rem; } /* Specifications */ .pd-specs { background-color: var(--bg-card); padding: clamp(2rem, 4vw, 3rem); border-radius: var(--radius-md); margin-bottom: var(--spacing-section); } .specs-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; } .specs-table-container { overflow-x: auto; } .specs-table { width: 100%; border-collapse: collapse; text-align: left; } .specs-table th, .specs-table td { padding: 12px 0; border-bottom: 1px solid var(--border-light); font-size: 16px; } .specs-table th { color: var(--text-main); font-weight: 600; width: 40%; } .specs-table td { color: var(--text-sub); } /* FAQ */ .pd-faq { margin-bottom: var(--spacing-section); max-width: 800px; margin-left: auto; margin-right: auto; } .faq-item { border-bottom: 1px solid var(--border-light); padding-bottom: 1.5rem; margin-bottom: 1.5rem; } .faq-item:last-child { border-bottom: none; } /* Responsive */ @media (max-width: 767px) { .pd-feature, .pd-feature.reversed { flex-direction: column; text-align: left; } .pd-feature-media { width: 100%; } } @media (min-width: 768px) { .specs-grid { grid-template-columns: 1fr 1fr; align-items: center; } } Innovative Drafting Tool Draw Perfect Circles without the Puncture The professional's rotary tool for precise, clean drafting. Create accurate circles instantly without leaving an unsightly hole in your work. Rotary Adjustment Mechanism Forget fiddling with screws. The iris-style mechanism allows you to adjust the drawing diameter smoothly by simply rotating the outer golden ring. It's fast, intuitive, and stays set until you move it again. Smooth Rotation 0.4" - 3.0" Range Instant Setup Premium Metal Construction Built to last a lifetime. The outer ring is crafted from durable aluminum alloy with a matte finish for grip, while the inner aperture blades are made from corrosion-resistant stainless steel. Laser-etched scales provide quick visual reference. Aluminum Alloy Ring Stainless Steel Blades Clear Scales Versatile Application An essential tool for designers, woodworkers, students, and crafters. Compatible with most pencils, pens, markers, and even airbrushes for various surfaces. Technical Specifications Product Type Adjustable Rotary Circle Template Body Material Aluminum Alloy (Matte Gold Finish) Blade Material Stainless Steel Drawing Diameter Range 0.4 inches - 3.0 inches Outer Diameter 4.92 inches (approx. 12.5 cm) Frequently Asked Questions How do I draw with it if there's no center needle? You hold the outer golden ring firmly against your paper with one hand to keep it steady. Then, place your pen or pencil tip inside the central aperture against the metal edge and trace around the circle. What kind of pens can I use? It works with most standard writing and drawing instruments, including graphite pencils, technical pens, fine-point markers, and even some airbrushes, as long as the tip fits comfortably against the inner blade edge. Are the numbers on the ring precise measurements? The numbers (1-7) on the outer ring serve as reference scales to help you quickly return to a previously used size or estimate diameters. For critical precision, we recommend checking the set diameter with a ruler before drawing. Show more