You can download my ready to print file or combine the elements to create your own oxitocin heart!This set includes 5 models ready to print:oxitocine heart a ringdouble heart with a ringsingle ringdouble heartoxitocineI printed it using a Creality K1 Max and Creality Print.Filament: GratKit TriColor Silk PLA.Layer 0.10mm, 15% infill, 84mm/s speed, printing temp 220°C, Build Plate at 45°C, NO SUPPORT, no glue, no adhesion configurations.Easy to print also for non-expert users.ROYALTY FREE LICENSE: you can not redistribute the files but you can sell renders and prints.