Machine Vise
thingiverse
Here is a 3D printable machine vice that I'm using, and it's available for download from Thingiverse, specifically this one at https://www.thingiverse.com/thing:2064269.
Download Model from thingiverse
With this file you will be able to print Machine Vise with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Machine Vise.