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I also don't know on if I should go with the selector or multiple extruder styles but it looks like you did the multiple extruders style so I am guessing you have more experience on that type so I might go that way.
for upgrades already installed I have 3d touch for auto bed leveling + th3d studio's unified firmware.
The thing is, every MMU is a little different. A BOM is either for a specific setup (like yours) or it's more of a set of guidelines for what you need.
Your BOM is quite a bit different than mine. Your setup uses 2 individual titan extruders (1 will install on the new Extruder, and the other will replace your plastic Extruder. Yours will also have both of the extruders mounted onto the same spot, and will add another spool holder mounted on the top, for 2 total. Mine instead utilizes 1 extremely powerful Extruder as the main force (the Voron M4. see it in action here: https://www.youtube.com/shorts/ZYvHZEBMfmY) and 4 small "auxiliary" extruders that handle switching colors. My motors/spools are currently attached to a drybox, but I plan to move them over to my new MMU, named the "SpoolForge", which is currently still in development. Pic:
Current unit. Made in tinkercad.
It will be compatible with all klipper printers, but I am aiming it to be an upgrade that you can install onto a stock ender-3 based printer. My plans are to have the enclosure hold the CNC Shield and a Raspberry Pi Zero 2 W, so you can upgrade to klipper straight from a stock printer. It will be aimed more at the hardware side, so it can be used with the 3MS. (the 3HOME is great, but I wanted something that looked a little more like an AMS). While you wait for parts to arrive, I would recommend to print the parts and get klipper setup on your laptop so you are ready to dive right in when the parts arrive. I will be able make a wiring diagram for you later. (also, I will be out of town for the next few days, so I will not be able to reply then).
Hi thanks for replying.
I am currently not running klipper.
I also don't know on if I should go with the selector or multiple extruder styles but it looks like you did the multiple extruders style so I am guessing you have more experience on that type so I might go that way.
for upgrades already installed I have 3d touch for auto bed leveling + th3d studio's unified firmware.
My budget is probably 150$ USD max
I also already have a uno r3.