Multifunctional Drafting Drawing Ruler Adjustable Circle Spiral Drawing Too Curved Ruler for Engineering Sketching Student Art
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$19.75
/Pc
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Tired of carrying bulky separate compasses, rulers and templates everywhere? Struggle to draw neat concentric circles with traditional fragile compass? This multi-functional drafting ruler fully solves your troubles!
1. 7-in-1 Integrated Multifunctional Design
Combines functions of standard compass, straight ruler, protractor, multi-hole geometric template, curve stencil and bottle cap opener. One single set replaces piles of scattered drawing tools, greatly saving stationery storage space for designers and students.
2. Slidable Metal Pivot for Infinite Circle Drafting
Detachable polished metal pivot slider glides freely along the ruler’s hollow positioning slots. Lock the pivot at any scale position to draw concentric circles, regular rings and creative spiral mandala patterns with uniform spacing without repeated setup.
3. Dual-Style Ruler Matching for Versatile Creation
Includes straight perforated ruler and irregular curved graphic ruler. Straight ruler for linear measurement, parallel line drafting; curved cutout ruler pre-set with circle, oval, polygon cutouts for quick geometric outline tracing and industrial sketch design.
4. Sturdy Durable Metal Construction with Precise Etched Scales
Made of high-hardness anti-rust alloy metal, crisp laser-etched centimeter markings never fade or wear off after frequent rubbing. Smooth polished edges avoid scratch damage on hands or drawing paper, ideal for heavy daily engineering and art drafting.
5. Ultra-Compact Pocket Portable Size
Super lightweight mini size easily fits inside pencil pouch, backpack and jeans pocket. Perfect for architecture students, industrial designers, hand-drawing lovers to sketch anytime in classroom, office, café or outdoor travel; extra bottle opener for daily household small use.
Grab this all-in-one drawing ruler set right now, upgrade your sketch and drafting experience!
Fix metal pivot firmly before drawing circles; wipe ruler surface with dry cloth to keep scales clear.
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