"Use the source, Luke."

https://github.com/pure-data/pure-data/blob/master/tcl/pdwindow.tcl#L451

The pd window text console is .pdwindow.text. You can send the -font command to it in TCL: https://tcl.tk/man/tcl8.6/TkCmd/options.htm#M-font

As for "internal Pd message" I don't believe there is one in this case as the core doesn't send setup info on this directly to the GUI like it does for the patch window canvases. This is why you didn't get a response yet with the exact answer to your request: I don't believe there is one. What you can do is use one of the GUI plugins and/or external objects which allows you to send TCL to the GUI directly.

On Apr 15, 2023, at 9:00 PM, pd-list-request@lists.iem.at wrote:

It would have been nice to simply find out the name of the Pd console for 
sending internal Pd messages until I get done with all of it.
Until then the software is probably not going to be usable with small screens 
for a while. Oh well . . .
(My users don't have access to the regular Pd gui - it's a hardware box with a 
dedicated user interface for non-programmers.)

Ingo

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Dan Wilcox
@danomatika
danomatika.com
robotcowboy.com