{"product_id":"coinfinity-17-5mm-stacker-3d-model-stl","title":"Coinfinity 17.5mm Stacker | 3D Model (STL)","description":"\u003cp\u003e\u003cstrong\u003eInstant digital download. Digital files only — no physical product ships.\u003c\/strong\u003e Official Coinfinity STL files — print your own 17.5 mm stacker at home.\u003c\/p\u003e\n\u003cp\u003eSized for 1\/10 oz gold (about 50–60 coins). Print in PETG (PLA can tarnish silver). \u003cstrong\u003eHardware not included:\u003c\/strong\u003e you supply and install your own 25×4 mm ceramic magnets (pause the print) and press-fit a 25 mm NTAG215 after print. NFC-ready design — no chip or magnets are included.\u003c\/p\u003e\n\u003cp\u003eLicense: Personal-use included. Commercial: info@coinfinity.us\u003c\/p\u003e","brand":"Coinfinity","offers":[{"title":"Default Title","offer_id":52336109748522,"sku":"CF-STL-175","price":3.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/9540\/2538\/files\/3D-ModelRender-Stacker-17.5.png?v=1787526241","url":"https:\/\/coinfinity.us\/products\/coinfinity-17-5mm-stacker-3d-model-stl","provider":"Coinfinity.US","version":"1.0","type":"link"}