Although 3D printing is now possible using relatively small and low - cost machines, it is still
a fairly slow process that involves several steps for each printed layer, including the need to reposition the object before adding the next layer of material.
Caroline and I have both had self - directed IRA accounts, and while they make the investment
process fairly simple, they can also be very
slow to
process transactions, have high fees, and prohibit certain types of transactions you want to do, such as international real estate investments.