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Royal Game of Ur with Print-in-place hinged board

by cymon May 9, 2017
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Is there a way to still buy the rules and the diamond pieces from you?

It's available to my Patreon backers... now. So back me at any level, even for just a month, and download the digital rewards from the kickstarter, including rules and diamonds.


Is this the small version (do I have to increase size to 140 % to get the real size)?

This is the small version. If you scale it up to 140% you will get a board closer to the size of the original artifact.

Aren't the dice not really random because material is missing on some sides? Wouldn't it be more "exact random" if you only painted them?

"Random" and "dice" rarely actually go together. Even dice you purchase are rarely exactly random. Little imperfections, corners that are too rounded, and a number of other factors add up to true random being a pipe dream.

However, with a 3D printed dice it could be even worse. Forget about the pips, the infill or number of top and bottom layers, number of shells, all add up to there being definite bias in 3D printed dice, but that bias being unpredictable because you don't know who's using what settings. In my experience, printing them 100% infill doesn't help. The more hollow it is, the more fair it tends to be.

Another way to comensate for the randomness is to rotate one dice when you print them so that they both have a different bias. It won't change things, but it will make it harder to predict the bias.

I've been trying to rotate the dice so I'll have on each face but the object isn't cooperating with basic rotation. Is there any way you could put out a set of 4 that are rotated so every face is on the print bed for the set? I know they won't be balanced but this will make it with less bias as you pointed out. The object just isn't cooperating with rotating.

Technically there's only 2 permutations that matter, the rest are just repeats, but for you I'll give the copies a rotation in the Z axis. How I accomplished this was using 3D Builder in Windows 10 and using the "settle" function to get the bottom to lay flat.

New STL uplodaded. Ur-DiceWithPipsx4.stl

Thank you! I don't have Windows 10 and the tools I do have weren't rotating properly.

Thank you Professor! My son and I will really enjoy this.

do you have that diamonds stones file to print? :)

Your Pawns have inlay-circles. Yet you havent provided those in your files? Would be best Ur board by far if you could also add inlays to board also...

I'm not sure I understand what you mean. There are 6 pawn files, all with 5 pips on top, and variable pips on the bottom.

Where did you find that rule book? I looked over all the ones on board game geek & haven't found any mention of numbered pieces

I did a Google image search for "Royal game of ur" and found a scan of the rule book on dicecollector.com.

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