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I found this strange cubed rock or maybe bone in a creek bed right along the Platte River in eastern Nebraska. The Pawnee tribes used to have a village only about 3 miles down the river from where I found it. I also found a piece of smoky hills jasper along with it. It’s almost a perfect cube with one side having a tiny ledge. It’s smooth on 4 sides and has sort of a sanded down feel on the other two which would make your top and bottom. I do not believe it is sandstone by location and other examples I’ve seen . Very hard, and somewhat heavy for its size. The lick test tells me it’s bone but I am totally unsure here. I tried to get close up pictures of texture.

Hello everyone! I have wanted to create myself a dedicated scale to use for photographing fossils, as I too often forget to include a scale in my photos and I think that a special scale would be more interesting than just a ruler, it could also be helpful for objects that are not as flat for scale in 3 dimensions. My initial thought was to make a cube, but I also wanted to include both imperial and metric units so that everyone on the forum can easily tell the size. So for my first design I decided to try making a cube that has dimensions of one inch along all sides with a 1 cm3 cube cut out of the corner. This design was nice and quite simple too, but I think it could still be improved. I am just not sure exactly how. I was thinking about including a small ruler along both the 1 in and 1 cm side so that you would also be able to see mm and the smaller units, but that might be too fine for my 3D printer, although I'll need to try it first. I just wanted to ask here as well if anyone has any ideas of what would make the best possible scale for use here on TFF. What would you want to see it this was a scale included in a photo of a fossil or one that you were using yourself? Thank you for your consideration and any suggestions, Misha

What are those cubes with measurements on them called? I looked at various subforums but didn't see any of them listed and since I don't know their name I can't really search for them!

Okay guys i see cubic 1" measurement things breeding on this forum. A Where do you guys get them? B Can you get them in cm blocks as well? thanks! John