When light refracts through or reflects off of a surface, these bent rays are focused together, creating a bright pattern referred to as a caustic.
| Refractive Caustic |
Reflective Caustic |
 |
 |
| The light refracts through the wine
glass. |
The light reflects off the gold
ring. |
In addition to reflective and refractive,
SOLIDWORKS supports
indirect
caustics:
- Indirect refractive caustics are always on in
SOLIDWORKS.
- Indirect reflective caustics are always off in
SOLIDWORKS.