Original Pulley MMU2 Filament Buffer V2

MMU2 MMU2S Buffer all in one V2 Pulley Compact
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updated March 4, 2021

Description

PDF

Original MMU2 Pulley Buffer

See it in action -

https://youtu.be/xOM9Bq7_HIg

My old account was lost and all the uploads were deleted.
I will do my best to upload the 100s of things I had before this happened to this new account

Project details

I will upload a video later,

I used PETG for all parts except for the Wheels, they are TPU, This makes the spool more silent when rolling, but can be PETG or PLA,

I Tried the Main pulley in TPU but it had too much friction. recommend not to use TPU for the main pulley

PLA can also be used,

Printed parts are labeled with 1X indicating how many you need of each part, if it does not have this then only 1 is needed.

Wrap Filament around main pulley 3 times before exit, 2 times works great but 3 times works even better. make sure that you do not get the filament tangled

Needed
8x M3 x 16mm bolts
5x 608 bearings
1x PC4-M10 Connector

https://tinyurl.com/m3screwkit

https://tinyurl.com/608bearings

https://tinyurl.com/PC4M10con

I Will update files if a revision is needed. as of now, it completed a 653 tool change print without any problems.

Print Settings

Printer brand:

Prusa

Printer:

i3 MK3 MMU 2

 

Rafts:

No

 

Supports:

Yes

 

Resolution:

.2

 

Infill:

15%

 

Filament brand:

any

 

Filament color:

any

 

Filament material:

PETG + TPU

 

Notes:

the only supports needed are for the filament towers, where the bolts are mounted

 

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