**To print, use STL files OR use the PRE-SUPPORTED to print right away**Gem sizes: 39X1.31X1.61X1.2Renders included and pictures of the bracelet from all sides, measurements and the metal weights, both rough and after finishing.Pre-supported are included and have been printed successfully. but please check the support compatibility with your 3d printer before you print.Other formats included are: Rhinoceros 7 and Rhinoceros 6 (native Cad) and OBJ format.