: A completely free, open-source 3D modeling suite. While not jewelry-specific, it has free plugins (like JewelCraft ) that add jewelry-making tools.

: These files are common vectors for ransomware and data-stealing software.

Downloading Gemvision Matrix 9 for free through unofficial channels is illegal software piracy and poses significant risks

: Cracked versions frequently crash during complex rendering or fail to save files correctly, leading to lost work.

: A powerful open-source 3D suite. While not "jewelry-specific" out of the box, plugins like JewelCraft (free) add ring sizing and stone setting tools.