{"product_id":"qr-code-keychain-tag-generator","title":"QR Code Keychain Tag Generator","description":"\u003cp\u003eA fully parametric keychain tag designed in OpenSCAD. The front carries a QR code (URL, text, anything you like) and the back carries up to \u003cstrong\u003ethree lines of text\u003c\/strong\u003e that are automatically sized and rotated 90° to make the most of the available space.\u003c\/p\u003e\u003cp\u003eEverything is exposed in the Customizer — no editing the .scad file required:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody size\u003c\/strong\u003e — width, height, and thickness in mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner fillet\u003c\/strong\u003e — from sharp corners all the way to a pill shape (rounded by default)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKey ring hole\u003c\/strong\u003e — diameter and distance from the top edge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional border\u003c\/strong\u003e — toggle on\/off, with adjustable inset and line width\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlay depth\u003c\/strong\u003e — how deep the QR \/ text \/ border are engraved\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQR size\u003c\/strong\u003e and standard QR options (error correction, mask, encoding)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-color rendering\u003c\/strong\u003e — body and inlay colors are separately configurable, so the model previews and slices nicely for multi-color or filament-swap printing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe QR code, back text, and border all sit \u003cstrong\u003eflush\u003c\/strong\u003e with the surface (engraved, not raised), so the tag stays flat in your pocket. Back text is automatically mirrored so it reads correctly when you flip the keychain over.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePrinting tips:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUse a 0.4 mm nozzle or smaller; 0.2 mm layer height works well for the engravings\u003c\/li\u003e\n\u003cli\u003eFor two-color prints, do a filament change at the layer where the inlay starts (= body thickness − inlay depth)\u003c\/li\u003e\n\u003cli\u003eIncrease the QR error correction level if you plan to print very small\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBuilt on top of the excellent \u003cstrong\u003escadqr\u003c\/strong\u003e library by Darwin Schuppan (MIT-licensed), which is bundled inside the file.\u003c\/p\u003e\u003cp\u003eDesign by Beaver's Hive on MakerWorld (license: BY).\u003c\/p\u003e","brand":"Mymadmanlab","offers":[{"title":"Default Title","offer_id":67391549505840,"sku":null,"price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/0809\/5280\/files\/0_4cfe2879-f59f-484c-846b-8798c0ec15ba.png?v=1784753294","url":"https:\/\/mymadmanlab.com\/products\/qr-code-keychain-tag-generator","provider":"Mymadmanlab.com","version":"1.0","type":"link"}