RE: MMU3/MK4 - LACK enclosure
For some reason, the image I added to this post is not showing. You can see it in the last photo that is part of this item: https://www.printables.com/model/1016-mmu2s-filament-buffer-lack-mount
I did a modified LACK V1. My MMU is mounted on the top of the LACK, on the side. Makes it easy to get to. I have (an old) post about it here: https://forum.prusa3d.com/forum/postid/138334/ . Planning to do the same for my MK39/MMU3 which I am currently upgrading.
RE: MMU3/MK4 - LACK enclosure
<snip>
Hopefully its little more than open the hole up further.
It was just that... and one of these.
https://www.printables.com/model/105389
Haven't decided what I'm going to do about organizing the drybox, and buffer's yet tho...
RE: MMU3/MK4 - LACK enclosure
FWIW, I posted up the legs for the drybox to put the buffer underneath the it.
https://www.printables.com/model/875750-even-taller-legs-for-the-unoriginal-prusa-drybox
Perhaps someone will find it useful.
David
RE: MMU3/MK4 - LACK enclosure
Here is my attempt with my upgraded MK3S+ to MK4 and MMU3 to have it in a Lack enclosure. It really works out well.
RE: MMU3/MK4 - LACK enclosure
A bit late here - just found this thread. I have a LACK enclosure and upgraded my MK3S/MMU2 to MK4(S)/MMU3 a while back, and I posted a couple of mods to retrofit the MMU3 to use the same buffer position and spool holders. The MK4 fits in the LACK enclosure just fine, no need to modify the heatbed wiring cover, and the externally-mounted power supply option requires no additional modification (although some minor gymnastics might be needed as there's an additional cable connection involved).
Spool holder retrofit: https://www.printables.com/model/866250-mmu3-spool-holder-retrofit-for-prusa-mk3mmu2s-lack
Buffer retrofit: https://www.printables.com/model/866223-mmu3-buffer-retrofit-for-prusa-mk3mmu2s-lack-enclo
Hope you find this at least somewhat useful.