We develop four software expert in 3D CAD data optimization for CAD users and 3D printers in the automotive, aerospace, robotics, machine tool, luxury and medical industries. 3D_Evolution for exact and tessellated conversion and simplification 3D_Analyzer, the pro viewer for advanced analysis 3D_Kernel_IO, the CAD interface library 4D_Additive, the software dedicated to data preparation for 3D printing (repair in exact geometry, textures, lattices). CoreTechnologie is the leader in global 3D CAD data management and the most robust technical ally on the market.