Beginner messing with 3D Engraving

[takitus]

Theres actually some good info existing here already:

iPhone 7 plus will create 3D engrave images from its cameras

The new iPhone 7 has a dual camera system which apparently will allow you to create depth mapped images! This will be incredibly awesome if the 3D engraving feature of the glowforge works as promised. You’ll be able to take a photo of someone and have the depth map available for your engrave. Here is the example apple gave in their promo: [image][image][image] The first image is of course the original image. As the iPhone has 2 lenses it is able to see stereoscopically to determine depth, wh…

and here:

Anyone know anything about 3d engraving files?

I was going to post this in the free design category, where the tutorials get posted, but there’s supposed to be a file included with every new thread. So I guess here? If this belongs somewhere else please feel free to move it to a new home! So, just to be careful, I’m not looking for free designs and I guess you aren’t allowed to post files as examples. We’ll just have to use our words. Internet at large is telling me greyscale TIFF files, 300dpi or greater. Is that right? Or is any ras…