POVRay is okay for a starter package, but there are better
applications out there.
The problem with TurboCad is that it isn’t that intuitive.
I use Lightwave for making images, and will soon be using it to make
design renders, for me it’s like modeling with my fingers. It is
relatively cheap compared with its peers, but it will set you back
more than a thousand. The developer base is large, and a plugin can
be found for pretty much anything. I found an stl plugin quite
recently, this provides me with a lot of possibilities for automated
Casting is not hand making a ring, but from a commercial point of
view it’s far more efficient than hand making a ring.
For example design the ring, set the size to the customer’s finger,
cast the ring, polish the ring. My partner wants an exact copy, but
has fingers the size of a small tree, no problem, simply scale the
drawing, and print out the new wax. The setup is affordable for a
small studio, a Roland cad/cam machine costs about $5K, a
considerable investment (I’m saving up for one), and they can come
with a probe that copies existing items.
This is a manufacturing process for fine jewelry, it’s not hand made