Issue description
Im trying to connect a flat conveyer/flat elevator to storage unit that holds mechanical parts
tried following
- connecting conveyer directly to storage unit
- connecting elevator directly to storage unit
conveyer doesn't want to load items - displays as not connected
elevator connects and loads internal buffer but once connected to conveyer - the conveyer belt says not connected
tried rebuilding varries times but no luck (everything was builded while in connected mode)
tried reversing flow of belt and putting it back - also no luck

Reproduction steps
attach conveyer to storage unit
used unity to quick build
attach elevator to storage unit
attach conveyer to storage unit
used unity to quick build
Game version and build number
v0.6.4d (b347)
Operating system
Windows