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<p>[QUOTE=&quot;miedbe7, post: 2199796, member: 33919&quot;]If there is no edge, wouldn&#039;t it be more a &quot;toroidal&quot; hemisphere, if such a thing exists?&nbsp; Imaging a filled sphere and pushing upward in one dimension such that it collapses/ folds into itself.&nbsp; Now that&#039;d be a cool coin!!</p><p><br /></p><p>Now, how could you &quot;coin&quot; that with a traditional die and collar?&nbsp; It would have to be &quot;formed&quot; somehow methinks.</p><p><br /></p><p>EDIT- Here&#039;s is the only shape I could find that matches what I&#039;m picturing in my mind.&nbsp; I don&#039;t know how it would be described in math/geometry other than a filled toroid or a sunken/depressed sphere...</p><p><br /></p><p><img src="http://oi60.tinypic.com/jpzsqv.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" />[/QUOTE]</p><p><br /></p>

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