yes… absolutely related… found this article… it also has similar issues as i have…
it also says… use Phong instead of Lambert
think i will use Phong… as work around cause calculating my own normals is very far fetched for me if i look at these codes from hofk for instance… waaaay out of reach for my current knowledge…
today i coded the shapes in a way it relates to the radius attribute so i can set the size of the shape on creation…