Forge: 1.16.5-36.2.4
ARL: 1.6-49
Quark: r2.4-295
QuarkOddities: 1.16.3
With no other mods installed.

I am not able to connect any type of wall (neither vanilla or quark types) to the item pipes and create the strutural tidbit as described in features list.

This feature was cut recently to reduce on RAM usage.