Mike, sorry Tyler and I missed this post. Not ignoring on purpose, sometimes we just get into conversations and miss a short post stuck in between by someone.... A flaw in the system......and geeze this is almost a month old.
Anyway, as for 4 hole case feeding, what are you wanting to feed....pistol or rifle or both? Lee's four hole collator works fine for most pistol except maybe 9mm, but I fixed that just adding clear thinline tubing that dropfits inside the existing holes of Lees collator. For rifle I 3D printed a new design that works great, for .308 and .223 both. That's the limit of my experience with the 4-ways, using Lee's 4-way downtube setup.
The upgraded slider is in TylerR's downloads under the APP section and comes in two sizes....size being how far the bottom protrudes towards the case.....try em both and keep the one that works best for what you load.
Your 3D printer choice was a new one for me, but looks real similar to the Creality Enders....with the same size bed. That should work for everything Tyler created except the 300 and Mongo size collator bodies and plates. Most reloading won't require them, except maybe rifle bigger than .223 or maybe even .308. Sorry we're late on this. Hopefully it won't happen again!
BTW here's what I did to make Lee's collator excel at rifle.......
https://www.thehighroad.org/index.ph...#post-12638674
And a belated,
Welcome to our 3D printed Collator Thread!
Another new poster,
rogerandre!
Also welcome to our 3D printed Collator Thread! I bought one spring from them several years ago, but is was for .45, so I'm not able to answer directly. But I will say that ID is the important measurement.....and Tyler's adapters are close enough to fit most springs.
So for
223 Bullets I actually bought a spring that meaures 1/4" ID and even it fit the adapter that was closest...in MM it measures 6.5mm ID and about 8mm OD. So if I were picking one from AliExpress, if all they supply is OD then subtract from that, wire diameter X 2, giving you ID. Then pick a spring that is at least 6.5mm ID.
One thing I noticed about the Ali spring was the small wire size...so be careful, you don't want it so floppy that it sags enough to slow or stop flow. A good stateside source is McMaster-Carr. Even their smallest diameter wire size is not floppy.
Springs for
223 Cases need to be even less "floppy" or they will get stuck. I prefer to use rigid thinline tubing for cases, but I think TylerR has done some springs with some...don't know just what. Maybe he will see this post and add. I would think springs with at least 12mm ID would be necessary....
https://www.mcmaster.com/products/sp...ype~extension/