YES THAT WORKS! (same way on Mac; no difference) I did not realize that it was possible to "Drop item" (default "z") into an Assembling Machine. I thought that it only was possible to "Drop item" onto the ground. Thanks a lot for the support (been wondering this for a y...

When having my hand full with 100 items and when the machine window is not open, I am not able put just 1 item into a machine when I have 100 in my hand. (if i open the machine window, right-click works but not when it is is not open) On Mac, I ctrl-right-click to insert half 50 and ctrl-left-click ...