{"product_id":"digital-download-pie15-pie-cutting-fixtures-1d-clr-digital-download","title":"Pie Cut Jig 15 Degree — 1.5\" to 6\" (38.1–152.4mm) — Exhaust \u0026 Header Tube Cutting Template | STL Digital Download","description":"\u003cp\u003e\u003cstrong\u003eA captive, two-part indexing jig for cutting 15° pie wedges in round tube.\u003c\/strong\u003e Clamp it on, cut, rotate, cut again — cut six lands exactly where cut one did. No marker, no tape measure, no wrap-around template that slips halfway round the tube.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eYou can buy a printed jig, or you can own the file.\u003c\/strong\u003e Bend Brothers sell a printed pie cut jig from $66; the printed jig sets on Etsy run $22 to $95. Those are good parts — but they are parts. One size, shipped to you, and when it cracks you order another. This is a file. Print that size as many times as you need, forever, on the machine already in your shop, and print the next size at 11pm the night before a deadline.\u003c\/p\u003e\u003ch3\u003eWhat you download\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSTL file for the size you choose, ready to slice — or the Bulk Pack with all 15 sizes (1.50\" to 6.00\") in one purchase\u003c\/li\u003e\n\u003cli\u003e1D centreline radius geometry, 15° per cut\u003c\/li\u003e\n\u003cli\u003eA secure download link is emailed from goertz1.pro after payment. Nothing ships, nothing waits.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSizes\u003c\/h3\u003e\u003cp\u003e1.50\" (38.1mm) · 1.66\" (42.2mm) · 1.75\" (44.5mm) · 1.88\" (47.8mm) · 2.00\" (50.8mm) · 2.15\" (54.6mm) · 2.25\" (57.2mm) · 2.50\" (63.5mm) · 2.75\" (69.9mm) · 3.00\" (76.2mm) · 3.50\" (88.9mm) · 4.00\" (101.6mm) · 4.50\" (114.3mm) · 5.00\" (127mm) · 6.00\" (152.4mm)\u003c\/p\u003e\u003ch3\u003eHow many cuts do I need?\u003c\/h3\u003e\u003cp\u003eAt 15° per cut, a 90° bend takes six cuts. This is the everyday header and exhaust angle — the best trade between weld time and a clean radius. Drop to 9° when you want a smoother bend, step to 18° when you want it done faster.\u003c\/p\u003e\u003ch3\u003ePrint settings\u003c\/h3\u003e\u003cp\u003eMy official settings for every G1Pro fixture: \u003cstrong\u003e2.5 mm walls, 2.5 mm top and bottom, 20% cubic infill, support-free\u003c\/strong\u003e, printed in \u003cstrong\u003eInland PETG-CF\u003c\/strong\u003e. Print one size first and check it on your tube before you commit a whole spool.\u003c\/p\u003e\u003ch3\u003eLicence — Shop Use\u003c\/h3\u003e\u003cp\u003eBuy it once and print 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 itself, or print copies of the jig to sell. Need a print-and-sell licence? Get in touch.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eDesigned and drawn by James Goertz, G1Pro — building intake manifolds by hand since 2009, hundreds of them. 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