Jax
thingiverse
To ensure accuracy, print two calibration pieces and check their fit. I have provided the SCAD file as well, allowing you to customize the model according to your printer specifications. Enjoy testing!
Download Model from thingiverse
With this file you will be able to print Jax 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 Jax.