The process to customized a glass ball for Christmas begin with a drawing or sample.
Factory will purchase material accordingly. And then can start to make the sample.
If package for selling unit are required, will also make the sample together.

And after sample coming up, we will normally take pictures and videos to confirm with customers.

If anything need to change or modified, can just easily check before sending out.
Especially during international delivery, it takes some time and cost.
So a well-organized process are very significant for sample making
for even just a glass ball for Christmas.