Bloodletters
thingiverse
Don't take me to court, I'm just doing this out of boredom. I'd appreciate it if you wouldn't show your appreciation in any way. If you're interested, the Blender file is attached so you can customize them on your own.
Download Model from thingiverse
With this file you will be able to print Bloodletters 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 Bloodletters.