When using alloy blocking, the specific blocking rings to be used in the lab must be set up, and (optionally) the sequence that blocks should be considered, for selecting blocking rings, can be set up to allow Rx-Universe to select the optimal blocking ring for each job.
Block Groups
First, one or more "Block GroupGroups" must be set up, under "Setup", "Surface Block Groups". By default, your Rx-Universe system will have one group, called "Blocks" or something equally generic. If desired, multiple block groups can be set up - this can allow dynamic selection of different groups of blocks for toric and digital, or for different lens styles or materials.
...