{"product_id":"header-builders-starter-set-1-66-1-75-2-00-in-9-15-degree-pie-cut-jigs-stl-digital-download","title":"Header Builder's Starter Set — 1.66\" 1.75\" 2.00\" in 9 \u0026 15 Degree — Pie Cut Jigs | STL Digital Download","description":"\u003cp\u003e\u003cstrong\u003eThe three tube sizes most headers are actually built from, in both working angles. Six files.\u003c\/strong\u003e 1.66\" (42.2mm), 1.75\" (44.5mm) and 2.00\" (50.8mm), each with a 9° and a 15° pie cut jig.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy this set.\u003c\/strong\u003e One size is not a build. A real header needs at least two or three primary diameters and more than one cut angle — 15° for the long sweeps, 9° where the bend is tight or on show. Buying those one at a time costs more and you still end up short mid-job.\u003c\/p\u003e\u003ch3\u003eWhat you download\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSix STL files, ready to slice\u003c\/li\u003e\n\u003cli\u003e1.66\" 9° · 1.66\" 15° · 1.75\" 9° · 1.75\" 15° · 2.00\" 9° · 2.00\" 15°\u003c\/li\u003e\n\u003cli\u003e1D centreline radius geometry throughout\u003c\/li\u003e\n\u003cli\u003eA secure download link is emailed from goertz1.pro after payment. Nothing ships.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe maths\u003c\/h3\u003e\u003cp\u003eSix files bought singly is $90. This is $49. The physical tooling that covers the same three sizes starts at $260.\u003c\/p\u003e\u003ch3\u003eSuggested print settings\u003c\/h3\u003e\u003cp\u003ePLA+ or PETG, 0.2mm layers, 4 perimeters, 30% infill. PETG or ASA if the jig will sit near hot work.\u003c\/p\u003e\u003ch3\u003eLicence — Shop Use\u003c\/h3\u003e\u003cp\u003ePrint as many copies as you like \u003cstrong\u003efor use in your own shop, including on paying customer jobs.\u003c\/strong\u003e You may not share or resell the file, or print copies of the jig to sell. Print-and-sell licences available — ask.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eDrawn by James Goertz, G1Pro. Building intake manifolds by hand since 2009 — hundreds of them.\u003c\/em\u003e\u003c\/p\u003e","brand":"Goertz 1 Pro","offers":[{"title":"Default Title","offer_id":44710346620970,"sku":null,"price":49.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/goertz1.pro\/products\/header-builders-starter-set-1-66-1-75-2-00-in-9-15-degree-pie-cut-jigs-stl-digital-download","provider":"Goertz 1 Pro","version":"1.0","type":"link"}