The problem is that the snowball and pine tree design is a 5-block design. Summer and winter and doubleweave are both weaves that can produce it, but they don’t require the same number of shafts per block.
"Tromp as writ" means to “treadle as written,” and the assumption is that the “written” part is the threading draft. Here's more explanation of the term and technique.
You may be surprised by the fibers that are available to you locally, in your own fibershed.
Can you weave 4 layers of cloth at once on an 8-shaft loom? How do you get started?
Read a weaving book or a good article, visit a weaving exhibit at a museum or gallery, hang out with your guild or study group, in person or online. Wind a warp and pick up a shuttle when you can.
There’s no replacing the “Aha!” moments to be gained by watching someone who has woven so long that weaving knowledge has sunk into in every synapse, bone, and sinew.
How do you determine sett for waffle weave? Madelyn can help you figure it out.