Hello,
First Feature
When Placing a model on the build plate, it would be nice if you could enable an option to turn on a shadow model which is the same distance apart as a dual nozzle printer. This only needs to be when placing a model onto the build plate and not during the g-code or tool path process. You could have the distance fixed based on the printer or so the user can change the distance incase they have modified there own machine.
Left nozzle only prints would move the shadow model to the right. Right nozzle only prints would move the shadow model to the left
In my personal case, I use the ditto printing feature on my machines 90% of the time and sometimes have to add a second model to the build plate, offset it by 32mm for the nozzle distance to see if the 2 parts would print into each other by accident. You can rotate the model in some cases to enable them to print and the shadow feature would help.
Second Feature
It would also be nice when duplication a model, you can pick the distance, direction and amount you would like to do.
When using the ditto printing feature, I place the models in a line down the Y axis but I have to do all of this manually. Some other software's call this "Pattern feature"