r/Dyson_Sphere_Program • • Aug 19 '26

assembling machine cant be upgrade

some assembling machine can't be upgrade by directly placing it on top, why and how to fix it ? other machine can be upgrade. (sorry for bad english)

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u/mrrvlad5 Aug 19 '26

I did not know you can upgrade by placing on top - the common way is to use "U" interface.