ArchiCAD12 version of the plugin (all platforms) was released together with Maxwell 1.7 - simply download ArchiCAD plugin for Maxwell1.7 and you get v12 support there.
Pavol
- By hwolfejr
Any idea of when the Maxwell Sketchup plugin will […]
- By Andreas Hopf
Let's be realistic. What's left of NL is only milk[…]
I should have gess. 
Thank you