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<p>[QUOTE="calcol, post: 24704418, member: 77639"]Not that hard to make by hand. Example is in pic below. Start with a cylinder of plastic or wood. A little work with a grinder, rasp, file and sandpaper. But yeah, takes longer than 6-sided. For modern mass production, just as easy as 6-sided. Back in the day, 6-sided were easier to mass produce because every angle is right. And that’s likely the reason games require them.</p><p><br /></p><p>[ATTACH=full]1578137[/ATTACH] </p><p><br /></p><p><br /></p><p>Not too hard to make fair dice of any N possibilities. Take a relatively long cylinder (length 4 x diameter for example) and grind or cut it along the long dimension to have N flat sides of equal area (i.e. cross-section is N-sided regular polygon). Then grind each end to a smooth cone, N-sided pyramid, or hemisphere. These are called long dice. A pic of 4-sided long dice is below.</p><p><br /></p><p>Cal</p><p><br /></p><p>[ATTACH=full]1578140[/ATTACH][/QUOTE]</p><p><br /></p>
[QUOTE="calcol, post: 24704418, member: 77639"]Not that hard to make by hand. Example is in pic below. Start with a cylinder of plastic or wood. A little work with a grinder, rasp, file and sandpaper. But yeah, takes longer than 6-sided. For modern mass production, just as easy as 6-sided. Back in the day, 6-sided were easier to mass produce because every angle is right. And that’s likely the reason games require them. [ATTACH=full]1578137[/ATTACH] Not too hard to make fair dice of any N possibilities. Take a relatively long cylinder (length 4 x diameter for example) and grind or cut it along the long dimension to have N flat sides of equal area (i.e. cross-section is N-sided regular polygon). Then grind each end to a smooth cone, N-sided pyramid, or hemisphere. These are called long dice. A pic of 4-sided long dice is below. Cal [ATTACH=full]1578140[/ATTACH][/QUOTE]
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