Mp3dp v4 bom

Currently digging around for Linear rails, have been using the links from MP3DP v3 BOM. Given how long ago the v3 links were shared, maybe there’s better price/value options to consider on amzn or elsewhere?

Motion

Related

QTY Description Comment Link
1 X Linear rail MGN Usable X + 100mm MGN12H FilaAmazon (select correct dimensions)
2 Y Linear rails MGN Usable Y + 50mm MGN12H FilaAmazon (select correct dimensions)
3 Z Linear rails MGN Usable Z + ~50mm MGN12H FilaAmazon (select correct dimensions)

Have seen forum recommendations for LDO Linear Rails from https://www.filastruder.com

Am looking on Zyltech site too.

Honestly, I wept a little when I saw the price of Linear Rails compared to M8 threaded rod. Am wondering whether Z axis performs significantly better with Linear rails enough to rationalize the cost and Y axis space saving? I appreciate using rods would probably increase overall height since Z stepper would be fastened to rod at top or bottom (with thrust bearing?).

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