I also saw some sla printers coming on the market looking on banggood.com
the smallest at £207 was big enough to produce the 6p module
The larger ones at £450 flying bear brand had 30mm/h and a build volume of 68x120x210 which means you could do 3x 8p modules (with a 1mm gap between them) at a time.
Albeit the uv resin costs more than the filament but they will be better quality and be totally water proof. plus it should be
about 6 times the speed if you cram them in.
maybe worth experimenting with at the very least.
I totally understand what you mean about the moving mass. One guy on mpcnc forum has done a cage like thing
https://www.v1engineering.com/forum/top ... tically/
very cool but needs more steppers but saves a lot of space. actually doing battery building too so very relevant here.
I think the benefit here is you could set it off to do one at a time and have it print all day without you having to take things of build plates for the next print.