I made a little progress. Which to be honest, was a lot easier than anticipated*.
Preparing the patient for surgery:
View attachment 397537
(*Did not expect this to have internal cable guides, but have them it did. I had been mentally preparing for another wrestling match with added tricks involving seal picks, dental floss and a vacuum like with my FM1001, but these just slipped right through in seconds... Was a little anticlimactic after all the time I spent putting it off.

)
Truly though, the biggest contribution to building this thing today was clearing out a space in my shed to complete it.
I'm going to install the headset cups and I'm done for the day. Cooler weather forecast for throughout the week (sub-30,
brrr...

), so might be able to tick off some bits and pieces on a few evenings at least.