- A forthcoming desktop “FDM printer” pivot is claimed to enable subtractive machining of arbitrarily hard metals via electrochemical machining (ECM), with demo and pre-orders promised by Matt Parlmer (tweet linked).  
- Participants debated whether ECM can be made practical without the filtration, closed-loop process-gap control, and rack-scale electronics that 1980s industrial systems required; modern microcontrollers (e.g., GD32) are argued to shrink this overhead dramatically.  
- Amos Dudley’s blog post on low-cost desktop ECM experiments (http://amosdudley.com/weblog/Experiments-with-Desktop-ECM) was shared as a reference for accessible ECM prototyping.  
- Discussion framed ECM’s renewed feasibility as part of a broader self-replicating machine stack, where simpler, low-dependency processes substitute for sophisticated industrial tooling.  
- A speculative path was outlined for using ECM or EDM to fabricate large-transistor ASICs quickly and cheaply for machinery control, bypassing the complexity of cutting-edge CPU lithography.  
- Relativity Space reached out to a channel member for an internship interview, illustrating the crossover between open-source hardware discourse and commercial aerospace additive-manufacturing efforts.