Tom:
Quick answers to your questions:
1) I have spent time with MSA detailer changing the library parts so they open with the correct line width (i.e. pen number). So when I select a 2x4, the colors are all correct, but I may need to change the layer. (Layers and colors are not tied together the way they are in AutoCAD.) You can use the "Active Layer" function to keep everything you draw on layer 49, say, or use the Edit Selection Set to change every selected element's layer at once. Doesn't take much time at all.
2) That's a single PLN for ALL standard details, but each detail has it's own VIEW. Then just import this detail plan in Plotmaker and select the desired detail view to import. If you've been careful with naming views, you can get the detail to self-title and number correctly and add the scale, all in Plotmaker.
Richard
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Richard Morrison, Architect-Interior Designer
AC26 (since AC6.0), Win10