{"product_id":"sinusoidal-stakes-wave","title":"Sinusoidal Stakes - Wave","description":"\u003cp\u003e\u003cstrong\u003eWave Steel Sinusoidal Stakes\u003c\/strong\u003e are precision-formed tools for \u003cem\u003eanticlastic forming\u003c\/em\u003e—the process of shaping sheet metal into opposing curves, producing graceful, flowing forms. These USA-made stakes are machined from durable steel and finished smooth for consistent contact surfaces. Commonly used in jewelry and metalsmithing for raising, shaping, and texturing curved forms.\u003c\/p\u003e\n\u003ch3\u003eAbout Anticlastic Forming\u003c\/h3\u003e\n\u003cp\u003eIn \u003cem\u003esynclastic forming\u003c\/em\u003e, the metal curves in the same direction (like a dome). In \u003cem\u003eanticlastic forming\u003c\/em\u003e, the metal curves in opposite directions at right angles, creating saddle-like shapes. According to \u003cem\u003eMichael Good’s “Anticlastic Forming” (see downloads)\u003c\/em\u003e, sinusoidal stakes are essential for controlling these complex curves and can be used with a variety of hammers depending on the stake material and desired.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMade in the USA exclusively for Otto Frei\u003c\/li\u003e\n\u003cli\u003eMachined from solid steel for long service life\u003c\/li\u003e\n\u003cli\u003eSinusoidal wave face supports anticlastic and synclastic forming\u003c\/li\u003e\n\u003cli\u003eUse with nylon or plastic hammers to protect the workpiece surface\u003c\/li\u003e\n\u003cli\u003eIdeal for shaping bracelets, sculptural jewelry, and hollowware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRecommended Tools \u0026amp; Reference\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePair with a nylon or plastic hammer such as the \u003cstrong\u003eFretz 137.207 Double-Ended Inset Hammer\u003c\/strong\u003e for fine control\u003c\/li\u003e\n\u003cli\u003eFor technique guidance, see \u003cstrong\u003eForm Emphasis for Metalsmiths\u003c\/strong\u003e by Heikki Seppä (Part #162.601)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Sizes \u0026amp; Specifications\u003c\/h3\u003e\n\u003ch4\u003eSmall Stake – Part #112.906\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFace Shape\u003c\/th\u003e\n\u003ctd\u003eSinusoidal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWave Amplitude\u003c\/th\u003e\n\u003ctd\u003e7\/8\" to 3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e8\" (203 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Dimensions\u003c\/th\u003e\n\u003ctd\u003e5\"L × 0.5\"W × 0.88\"H (127 × 12.7 × 22.4 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e0.47 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eMedium Stake – Part #112.900\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFace Shape\u003c\/th\u003e\n\u003ctd\u003eSinusoidal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWave Amplitude\u003c\/th\u003e\n\u003ctd\u003e1-1\/2\" to 7\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e11\" (280 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Dimensions\u003c\/th\u003e\n\u003ctd\u003e7.5\"L × 0.75\"W × 1.5\"H (190.5 × 19.0 × 38.1 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e1.50 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eLarge Stake – Part #112.902\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFace Shape\u003c\/th\u003e\n\u003ctd\u003eSinusoidal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWave Amplitude\u003c\/th\u003e\n\u003ctd\u003e1-3\/4\" to 1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e16\" (406 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Dimensions\u003c\/th\u003e\n\u003ctd\u003e12\"L × 1\"W × 1.75\"H (304.8 × 25.4 × 44.4 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e3.0 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eUsage Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUse wood, nylon, or plastic mallets when working on steel stakes to prevent marring the metal surface.\u003c\/li\u003e\n\u003cli\u003eFor more controlled forming, work progressively from edge to center in overlapping hammer passes.\u003c\/li\u003e\n\u003cli\u003eAnneal work-hardened metal frequently for best results.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"11\" Medium","offer_id":47551744442582,"sku":"112.900","price":182.0,"currency_code":"USD","in_stock":true},{"title":"16\" Large","offer_id":47551744475350,"sku":"112.902","price":228.0,"currency_code":"USD","in_stock":true},{"title":"8\" Small","offer_id":47551744409814,"sku":"112.906","price":126.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/sinusoidal-stakes-wave-otto-frei.jpg?v=1719955207","url":"https:\/\/www.ottofrei.com\/it\/products\/sinusoidal-stakes-wave","provider":"Otto Frei","version":"1.0","type":"link"}