Although it is not worth manufacturing something that commercially exists, if we already have the components and materials needed to make an LED bulb, we could manufacture a high-luminosity LED bulb. In the video the whole process of the assembly is shown, it is only necessary to have a bit of skill.
The cover of the bulb is the only piece printed in 3D. It is made with PETG and without supports.
TECHNOLOGY OUTLET PETG T-glass