@GaryHinshaw ...
Did you have a chance to try out the Siraya Blu ABS-like resin yet? I have a project going at the moment that doesn't do well with the brittleness of the AnyCubic and Elegoo standard resins. I went ahead and ordered a litre of the Siraya anyway, but I'd sort of like to know what to expect.
Sorry, spring term is in high gear and I'm
way behind in my correspondence... Yes I did get it and tried a few prints with it, but in the end, I couldn't get very crisp results, so I shelved (for now). I tried using the settings that gave the best R_E_R_F results, but they were never as good as I was getting with the basic Anycubic resin using the default Photon settings.
On the topic of brittleness, I have been having good results with my small parts using a
very light cure in water. For a part as small as a rail joiner, try putting the part in a jar of water and curing for no more than a minute. I've been really happy with the spine parts I've been printing that way.