To properly suggest this, I would first ask a question: When a new player signs up and enters the game, are the Giants imagining the new glitch body and soul, or are they simply imagining a soul and applying it to a premade body? I would argue the latter; I base my argument on the fact that we all started out with suggested bodies to choose from. Once we chose a body, the Giants, being giants, married our glitchy souls to that body we chose.
So where did those bodies come from? I would suggest that it was fellow glitchen who built them out of a wide range of materials plus a healthy dose of glitchy love.
Why not make this a crafting skill? We could have a new tool for creation, as well as a ridiculously long recipe - think Awesome Stew to the third power. Everything from bubbles to butterfly eggs to corn seeds to plain crystals to tinkertools to diamonds could be ingredients.
Once created, a Glitch Blank cannot be traded, given, sold, or auctioned. It can only be donated to a shrine, because after all, it's the Giants who will use them.