Albert Einstein He developed the general theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics).

The first integrated circuit invented by the engeneer Jack S. Kilby1 (1923-2005) contained only a few transistors. Texas Instruments.
3D softwares
3D editing softwares
blender software 3D
Blender tutorials
3D editing tips

If you are new to 3D editing check the Blender tutorials. Blender is a free 3D editing software. Always check the 3D editing tips. When you have to 3D print an object you need to pass serval steps to make sure that the object is whater sealed and ready to print without errors. For that you need to use serval softwares. Check the 3D editing softwares to learn which one to use in any case.