Hi! Do you have the same issue if you select just a smaller group of spheres? There are several reasons why the boolean can fail, could you please update the workspace?
Sorry, I meant to upload. Please export it as a Shapr3D design (.shapr extension) and upload the file. If you are running the free version, upload some screenshots from several points of view, with and without selecting the boolean tool to let us see if the bodies are intersecting properly or what can be the cause of the failing tool.
Thanks for the workspace The reason why the boolean failed with the original model is that the spheres are tangent to the face of the display where I marked it with the red circle. The boolean would end up in a detail with zero thickness - technically a surface, which is not supported yet
Off-topic, but related to this project. Is there a way to distribute objects in Shapr3D by setting the position of the first and last one, and let Shapr set the equal distances for the rest in between? The way I layed-out these balls was manually by duplicating one by one and typing a distance for each over and over again. Of course, I did this for one row and then duplicate the whole row, but anyway, was there a faster way?