Hello, I'm new around here and I can't seem to find the answer I'm looking for. Is there any way to get more choices of material for an uploaded model? For example, I uploaded a model, went through the printability check and all is well. But when I go into my shop I only have a few options to pick for it upon buying it, even though there's more (and cheaper) materials available on the site. Is the materials pre-picked based on design? And if so, can I change it?