I feel like I have no idea what I am doing!!!!!! I used my stem-mold to create some stems and I guess they came out ok. I have used one and some thinner wax wire (3mm) to create my first funky looking tree. I added two pouring support channels but I have no idea if that is even necessary. I will create a second tree without the extra channels to compare the result. Here are some pictures of the process:
You should partner with Rio Grande or a foundry in Santa Fe.