Pyramid
sketchfab
I'm just running some tests on this Blender thing to see how it works out. It's pretty cool so far. I've been playing around with it a bit and I have to say, it's not bad.
Download Model from sketchfab
With this file you will be able to print Pyramid 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 Pyramid.