Large ring core set for sand casting

Description

This is a 3D model of core set for sand casting of jewelry rings. It contains US standard ring sizes from 15 to 19. Hole in the blocks are exact size according to https://www.ashidiamonds.com/Education/JewelryGuide/JewelrySizeGuide.aspx Hole depths and core lengths are set to 5 cm (~2"). Additionally, halves of each core are available. Ring core set with standard US sizes (3-14) can be found at: https://cults3d.com/en/3d-model/tool/ring-gauge-for-sand-casting Ring core set with standard UK sizes (F-Z) can be found at: https://cults3d.com/en/3d-model/tool/ring-core-set-for-sand-casting-uk-sizes