{"title":"Moulds","description":"\u003cp\u003eDon’t have any stones around to sling, or looking to level up your slinging with the perfect projectiles? Our selection of moulds will get you set up for making your own from just about any material.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","products":[{"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"},{"product_id":"glandes-press","title":"3D Printable Glandes Press | Roman Clay 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 shaping clay glandes\u003c\/span\u003e\u003cspan class=\"token\"\u003e.\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"token property-access maybe-class-name\"\u003eNo\u003c\/span\u003e\u003cspan\u003e hardware needed\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 printing parameters\u003c\/span\u003e\u003cspan class=\"token\"\u003e,\u003c\/span\u003e\u003cspan\u003e usage guide\u003c\/span\u003e\u003cspan class=\"token\"\u003e,\u003c\/span\u003e\u003cspan\u003e and clay measuring tool\u003c\/span\u003e\u003cspan class=\"token\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eJourney back to the time of the roman empire and make your own clay Glandes. These moulds make it easy to shape consistent projectiles and require no extra hardware. The included detailed PDF has all the 3D Printing and usage instructions. Printing the moulds is easy and the models will fit most printer sizes. A handy clay measuring tool is also included to speed up production.\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: The historical standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003e90g-120g: \u003c\/em\u003eGreat for general slinging\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003e120g+\u003c\/em\u003e: for those looking for a challenge or just a bit of oomph\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e.stl files for 3D Printing\u003c\/li\u003e\n\u003cli\u003ePDF with recommended printing parameters and usage guidelines\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, PLA or ABS Filament\u003c\/li\u003e\n\u003cli\u003e3D Printer with a minimum 18x18cm build plate\u003c\/li\u003e\n\u003cli\u003eClay\u003c\/li\u003e\n\u003cli\u003eTalcum powder, cornstarch or Cling film\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","offer_id":59669072511310,"sku":null,"price":2.99,"currency_code":"EUR","in_stock":true},{"title":"90g","offer_id":59669072544078,"sku":null,"price":2.99,"currency_code":"EUR","in_stock":true},{"title":"120g","offer_id":59669072576846,"sku":null,"price":2.99,"currency_code":"EUR","in_stock":true},{"title":"150g","offer_id":59669072609614,"sku":null,"price":2.99,"currency_code":"EUR","in_stock":true},{"title":"180g","offer_id":59669072642382,"sku":null,"price":2.99,"currency_code":"EUR","in_stock":true},{"title":"Bundle of all sizes","offer_id":59669094170958,"sku":null,"price":11.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1036\/5068\/9358\/files\/IMG-20260702_160840.jpg?v=1783001411"}],"url":"https:\/\/blackthornballistics.com\/collections\/3d-print-files.oembed","provider":"Blackthorn Ballistics","version":"1.0","type":"link"}