Depending on which slicer you use, you can probably merge them as an assembly. I use Orca Slicer and after loading a model I can then right click on it and add an STL to it. Then it’s a matter of positioning and lining them up. Once done you can slice it as one model.
Depending on which slicer you use, you can probably merge them as an assembly. I use Orca Slicer and after loading a model I can then right click on it and add an STL to it. Then it’s a matter of positioning and lining them up. Once done you can slice it as one model.
I’m using a resin printer so Orca won’t work for me.