From Tech Ingredients.

We test multiple 3D printed parts with a hydraulic press to see whether the infill options make a substantial difference.

Here is a close up example image of the different infill percentages:
https://drive.google.com/file/d/1IxdTho5UmwljsKZecGPmAv1oHYifElAz/view?usp=sharing

Find us on Patreon our website and twitter/x:
https://www.patreon.com/techingredients
https://www.techingredients.com/
https://twitter.com/t_ingredients