Idk about d6s, but for d20s it skews significantly to 1 side more than the other when weighted. For dnd this is noticeable since you will roll way more 20s than 1s, even if you are also likely to roll low numbers because of how the numbers are laid out. This is why spindown dice, where the numbers are all adjacent to the next in the order, are generally frowned upon in dnd, because even a slight misbalance can be super noticeable to the average if it's on the low or high side, let alone if you have a weighted die.
That makes sense, the more sides the die has the more effective weighting it would be. If you had dice with 1000 sides then the slightest weight would cause them to settle the same way every time, whereas a d4 would need a lump of concrete on one side to get any kind of consistent result.
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u/Initial-Duck2782 5d ago
I’ve heard from dice makers that this actually doesn’t work real well. They are already pretty unbalanced and they tumble fine.