Fully Printable Mechanical Vise with Custom Jaws

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Firstly, I want to give proper credit for this beautiful vise. I couldn't find it here, so I'm resharing it. The original designer is TheGoofy, and full credit goes to them for their incredible work. 

I have been using it for the past few years and it works flawlessly. You can't overtighten this vise and break it that way. The gears will skip before that happens but only when quite a bit of force is applied. Since it has two screws, it applies two points of pressure and you can firmly hold items at just the edge. Additionally, since each gear is independent of the other it will self-regulate the force applied at each screw and conform a bit to the item you are holding.

Besides the handle that I made longer and thus easier to use, it is the same vise.

For assembly please check the original designer's video below. He goes into the mechanics of the vise and force analysis in detail. As a mechanical engineer, I always like it when a mechanism has been thoroughly thought through and all the forces considered. 

While the clips will hold, I do recommend glueing the two base halves together.

I recommend printing the base and clips in PLA as it is rigid and the rest in PETG or ASA/ABS. I have one set of hard and one set of TPU jaws (TPU profile is uploaded separately). 
 

For smoother operation, I suggest using a dry lubricate such as graphite. Simply rub a graphite pencil on surfaces in contact:

1. between the gear and handle on “Vise_Handle”
2. channels on "Vise_Base" where “Vise_Sliding_Jaw” slides
3. back side on the two “Vise_Main_Gear” that is in contact with the base

Materials used:

Trček Plastika PET-G Mat Light grey

Bambu PLA Basic Orange
Trček Plastika TPU 89A