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Cut-out centers with finger lifts make repositioning quick and secure, you maintain control without fingerprints obscuring the acrylic or smudging fresh graphite. Whether you're drafting mechanical components, constructing geometric patterns, or teaching fundamental design principles, these triangles provide the accuracy and visibility needed for consistent angular work.\u003c\/p\u003e","brand":"Westcott","offers":[{"title":"set of 2","offer_id":47974415499493,"sku":"67978","price":6.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6890\/5701\/files\/s67978.jpg?v=1770311340"},{"product_id":"westcott-transparent-triangles","title":"Transparent Triangles","description":"\u003cp\u003eProfessional triangles use smoke-tinted acrylic that reduces glare under studio lighting, while scholastic versions use clear, sturdy plastic for classroom durability. 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Pacific Arc machines these professional triangles to 0.080-inch thickness, substantial enough for stability yet thin enough for accurate line placement. The straight inking edge prevents ink bleeding beneath the triangle, while beveled center-cuts allow easy lifting without smudging fresh lines.\u003c\/p\u003e\n\u003cp\u003eFluorescent orange and pink surfaces stand out against graphite and ink drawings, reducing eye strain during extended drafting sessions. Available in both 30\/60-degree and 45\/90-degree configurations across multiple lengths, these triangles handle everything from small detail work to large-format architectural drawings. The cast acrylic resists scratching and maintains edge integrity through repeated use.\u003c\/p\u003e\n\u003cp\u003eChoose the angular configuration your work demands and the length that matches your typical drawing scale. 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Pacific Arc machines each Topaz triangle from solid acrylic stock rather than stamping thin sheets, creating beveled inking edges that hold technical pens, ruling pens, and graphite at the proper angle to prevent ink bleeding and smudging. The subtle amber tint makes these triangles easy to spot against white paper or dark cutting mats without obscuring your work underneath.\u003c\/p\u003e\n\u003cp\u003eCut-out finger lifts let you grip and reposition quickly during complex layouts, while generous thickness provides stability that prevents flexing mid-stroke. Both 30\/60 and 45\/90 configurations feature precisely calibrated angles that maintain accuracy whether you're constructing perspective drawings, establishing grid systems, or checking alignment across large format work. The beveled edges accommodate everything from 0.1mm technical pens to soft graphite without dragging or catching.\u003c\/p\u003e\n\u003cp\u003eArchitects and technical illustrators appreciate how these triangles bridge the gap between student-grade plastic that warps and professional metal triangles that cost three times as much. 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These professional triangles balance visibility with precision through molded polystyrene construction that holds its geometry under daily use. The 0.10\" thickness provides structural rigidity without excessive weight, while double-beveled edges lift cleanly from the paper to prevent ink smudging and allow technical pens to follow the edge without bleeding underneath.\u003c\/p\u003e\n\u003cp\u003eDouble-taper cutouts in the center enable quick lifting from any angle, eliminating the fumbling that slows down repetitive work. Fingerlifts positioned along the edges provide secure grip points for repositioning without touching the working surface. Heavy-gauge polystyrene resists warping through temperature changes and repeated handling, maintaining the dimensional accuracy that architectural and engineering drawings demand. Beveled edges create the slight gap necessary for technical pen work, preventing capillary action from pulling ink under the triangle.\u003c\/p\u003e\n\u003cp\u003eArchitecture students working through measured drawings and professional drafters preparing construction documents both benefit from tools that combine durability with precision. 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Durable construction withstands the repeated adjustments and pressure that working triangles endure across projects. 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