About this 3D model
I made a keychain with a hidden loop.With a layer height of 0.2mm you should set up a pause at layer 38 and put the ring in. I used this Keychain: https://www.aliexpress.com/item/1005003803735916.html If you don't have a 3D printer, I sell it on Etsy: https://www.mikebayer3d.etsy.com The original design is from DrLexhttps://www.thingiverse.com/thing:2738211https://github.com/DrLex0/print3D-FlexiRex Follow me on social media:FacebookInstagramPinterestTwitterPrintablesCults3DThangs etsy Shop:etsy