Promotional Coin Holder

This is a simple holder for promotional coins. This is great for distributing QR Codes or other promotional material. It can also work with challenge coins. Coins Should be 50.8mm (2") in diameter by up to 2.75mm. QR Code Coins:For best results print coins using a layer height of 0.16 or less and make sure that the layer height of your QR code is no more than 0.32 mm to reduce shadows. QR Codes can be generated using qrcode2stl. Select Yes in “separate parts” in the top right corner in order to have your QR code as a separate STL for import into the slicer.