Does construction of a Lightsaber require use of the Force?

Question

It's true that Lightsaber construction is a mandatory skill for a trained Force user, but I am not sure about it in reverse.

@DVK has commented on this answer that:

Grievous wasn't a Jedi (or a Force Sensitive) at all. He couldn't construct one.

I always thought that a Lightsaber was a normal piece of technology which even non-Force users could construct, and you only need Force sensitivity to master Lightsaber skills. But, I could be wrong.

Does construction of a Lightsaber require use of the Force? If yes, what role does the Force play in the construction of a Lightsaber?

Answer 1

According to the Return of the Jedi novel where Luke constructs his first lightsaber, he uses the force to detect imperfections in the crystals and how to align them perfectly in the lightsaber. Technically, the force is not required to build a lightsaber. It's just a ritual part of the Jedi training to become intimately familiar with the weapon and how all the components fit together.

In one of the Timothy Zahn novels, I recall Luke saying that in his research, Jedi in the clone wars were able to speed up the construction process and build a lightsaber within a day during a time of crisis when the weapon was more important than the ritual (which took considerably longer than a day).

Ideally, a Jedi took many months to construct a single perfect weapon that he or she would keep and use for a lifetime. Once you build it, the lightsaber will become your constant companion, your tool, and a ready means of defense.

While anyone can build them as they are just pieces of technology, not everyone can handle them. In most cases, force training is required to properly handle the weapon. Which is why not everyone has them (that, and the Jedi and Sith tend not to share the building plans with non-Jedi/Sith).

As for Grevious, the lightsabers were trophies.

Answer 2

The costruction of a lightsaber needed to be done by a trained Force user due to the fact that if the crystal was placed incorrectly it would explode when activated. This is why a lightsaber was constructed traditionaly away from anyone else except the Jedi/Sith that was building it. Sith, from my understanding, didn't always create their first lightsaber as it was an award given by their masters for passing the training on Korriban. However, they more than often used synthesized red crystals that had no tarnishes or deformaties. A good example is when Sidious gave Vader one for his new Sith lightsaber. In order for a non Force user to wield a lightsaber is a different story as even the sarcastic Han Solo used Luke's if only briefly to cut open a Tauntaun for warmth. Grievous also was not a force user, however, he was trained to use them and because of his constructed body, had borderline Jedi like reflexes.

Answer 3

Grievous stole lightsabers, but yes traditonally lightsabers are made with the Force, but the Empire was able to mass-produce them for the eraant starkiller clones. Probably had a force-user on the project though.