experience rather than wisdom.
And do the ptfe mod anyway. It's simple and effective - I'll look for pics - probably got some somewhere.
that way when you come to flexible prints, you'll be ready :-)

dual printing with a rigid filament and a flexible filament is pretty cool :-)

My wooden creator lasted for about 5 years before I mothballed it - so seen most of the issues you get with them - few as it is.
I think once i did the extruder, the only issues I ever had were down to bed adhesion and the printbite pretty much fixed that.
They are just a great little work horse.
Not fats, but great quality and a a good dual extrusion setup.

Oh yeah one thing that is an issue. The filament - particularlly on full spools - can come loose and wind it's way around the support tube at the back.
making silament holderas that put the spools up above the printer is the best solution.
I never got round to it and having to reach round behind the printer to check it hadn;t happened - was always a pain.

Unfortunately my current replicator clone (klic-n-print) is made of moulded steel and I have yet to work out adecent way to mount the easier to get at spool holders as i really don't want to drill holes in it.
With the plywood frame - you can just screw bits on :-)