I picked up a laser-cut 6-sided die at a convention a few years ago. I always kicked myself for not buying more than one, but now I will be able to make my own. But I thought I would take it one step further. When I had my 3D printer I looked into (briefly) cold-casting with metal infused resin to make things, but I never got around to doing it. My idea then, is to make a D6 out of thin ply (1/8"), construct the die, then fill the interior with metal infuse resin. The final result would be a wood die that has “metal” pips, and a bit more weight than a hollow wood die. I’ve started some design already.
My worries are obviously with the balance on the die. Technically, even the hollow die is unbalanced as there is less mass on the “6” side than the “1” side, therefore over a sample of millions of rolls, the die would roll 6 more often than any other number. However, with the miniscule difference in a hollow wood die, this would rarely be a problem and would not be construed as a weighted die. However, filling the die with resin/metal increases the mass. The insert is heavier on the side with 6 pips as opposed to the 1 pip, so this does balance with the hollowness of the wood shell, however, I assume that the resin/metal pips would be more dense than the wood, so now the die will be unbalanced in the opposite direction.
I’ve been trying to find information on density of the materials, and once I do I can adjust the size of the pips to account for the added density. (i.e. the pip on the 1 side would be the biggest, then the size would decrease as the number of pips increased.) Of course, the balance could be thrown off by other things anyway - such as an air pocket in the interior cavity or something, so the exercise could just be a big waste of time.
die layout.pdf (4.6 KB)