I think, question to make the placements of Compact Projectors easier, it will be good, when you right click on a projector, to show where the 3 others projector should be placed, and that for a lonbgue time, because right now you don't have mutch time to go the other way and place down the projector. Need to keep in mind you have to placed 2 or 3 pillar block under before to be able to placed the field projector, so this take somes times, and the indications is not really clear question of aligments, becaue the icon float in the air.

To help with alignments, I would really like to see somekind of transparent pillar overlay to show correctly where you have to place the projector. (This will help a lot to see correctly the alignment);

CompactCrafting version: 1.0.0 Beta 3
Minecraft: 1.16.5
Forge: 36.2.1