Any contract would likely require that a RTE would take place first. With the fact that 5.1 is out, I can’t image existing RTE buying without an upgrade to 5.1 and testing (even if it is just a couple of weeks, more likely a month).
Sigma Labs had an absolutely awesome week at FormNext 2019, holding over 30 meetings at our booth as well as other locations, with customers and prospects over multiple industries.