{"product_id":"projectile-mould-3d-print-files","title":"3D Printable Glandes Moulds | Concrete Sling Projectiles","description":"\u003cp\u003e\u003cspan class=\"token maybe-class-name\"\u003eDigital\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"token\"\u003eSTL\u003c\/span\u003e\u003cspan\u003e files \u003c\/span\u003e\u003cspan class=\"token control-flow\"\u003efor\u003c\/span\u003e\u003cspan\u003e 3D printing glandes moulds\u003c\/span\u003e\u003cspan class=\"token\"\u003e.\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"token property-access maybe-class-name\"\u003eMake\u003c\/span\u003e\u003cspan\u003e consistent concrete sling projectiles \u003c\/span\u003e\u003cspan class=\"token\"\u003ein\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"token\"\u003e2\u003c\/span\u003e\u003cspan class=\"token\"\u003e:\u003c\/span\u003e\u003cspan class=\"token\"\u003e1\u003c\/span\u003e\u003cspan\u003e or \u003c\/span\u003e\u003cspan class=\"token\"\u003e2.5\u003c\/span\u003e\u003cspan class=\"token\"\u003e:\u003c\/span\u003e\u003cspan class=\"token\"\u003e1\u003c\/span\u003e\u003cspan\u003e ratios\u003c\/span\u003e\u003cspan class=\"token\"\u003e.\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"token property-access maybe-class-name\"\u003eIncludes\u003c\/span\u003e\u003cspan\u003e full instructions\u003c\/span\u003e\u003cspan class=\"token\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe mould cavities are sized to make consistent concrete projectiles with ease. For ease of use, the two mould halves can be quickly screwed together with M4 Bolts and wing nuts. Two styles are available- stubbier 2:1 for more robust glandes and 2.5:1 for improved aerodynamics. \u003c\/p\u003e\n\u003cp\u003eThe detailed PDF has all the 3D Printing and assembly instructions, as well as recommended formulas for various casting materials. Printing the moulds is easy and the models will fit a variety of different printer sizes. The moulds can also be used to cast other materials like Epoxy or Plaster\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSizes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNot sure what size is right for you? Grab the Bundle or check out this quick guide:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cem\u003e60g\u003c\/em\u003e: Great for long distances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003e90g\u003c\/em\u003e: A good all-round size for general slinging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003e120g:\u003c\/em\u003e Heavier for excellent short range accuracy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e.stl files for all mould parts\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePdf file with detailed printing profile, assembly, and casting instructions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRequired Materials (Not included):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePETG Filament\u003c\/li\u003e\n\u003cli\u003e3D Printer with 18x18x18cm Build volume minimum\u003c\/li\u003e\n\u003cli\u003eM4x15 Star Grip screws or wing nuts\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eM4 Prong nuts\/T-nuts - DIN 6930\u003c\/li\u003e\n\u003cli\u003eCasting material as desired\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003e© 2026 Blackthorn Ballistics. All rights reserved. These files are licensed for personal use only. Redistribution, resale, or commercial use is prohibited.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Blackthorn Ballistics","offers":[{"title":"60g 2:1","offer_id":59668956643662,"sku":null,"price":2.99,"currency_code":"EUR","in_stock":true},{"title":"60g 2.5:1","offer_id":59668956676430,"sku":null,"price":2.99,"currency_code":"EUR","in_stock":true},{"title":"90g 2:1","offer_id":59668956709198,"sku":null,"price":2.99,"currency_code":"EUR","in_stock":true},{"title":"90g 2.5:1","offer_id":59668956741966,"sku":null,"price":2.99,"currency_code":"EUR","in_stock":true},{"title":"120g 2:1","offer_id":59668956774734,"sku":null,"price":2.99,"currency_code":"EUR","in_stock":true},{"title":"120g 2.5:1","offer_id":59668956807502,"sku":null,"price":2.99,"currency_code":"EUR","in_stock":true},{"title":"2:1 Bundle","offer_id":59669096726862,"sku":null,"price":7.99,"currency_code":"EUR","in_stock":true},{"title":"2.5:1 Bundle","offer_id":59777655112014,"sku":null,"price":7.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1036\/5068\/9358\/files\/il_fullxfull.7803881869_b8jy.jpg?v=1785499044","url":"https:\/\/blackthornballistics.com\/products\/projectile-mould-3d-print-files","provider":"Blackthorn Ballistics","version":"1.0","type":"link"}