Bondtech Prusa Mini Extruder Upgrade To IFS (Internal Filament Sensor)





Upgrade Kits


Prusa Mini Extruder Upgrade To IFS™

EAN13: 7350011413959 SKU: EXT-KIT-83 Categories: , , Tags: , , , , , Brand:

Prusa Mini Extruder Upgrade To IFS™

Upgrade your Prusa Mini extruder to support the Internal Filament Sensor feature.

This is a set of plastic parts that allows to upgrade the previous “Upgrade Kit For Prusa Mini” to be IFS (Internal Filament Sensor) compatible.

Filament Sensor

It will change the front housing of the previous version of the Prusa Mini extruder so the new filament sensor for Prusa Mini/+ may be mounted inside.

The IFS Extruder for Prusa Mini may be used without the filament sensor. With a simple process it is easy to later update it to fit the Prusa Filament Sensor inside.



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Upgrade Your Prusa Mini or Mini+

This set may be used on the Prusa Mini or Mini +.

Filament Sensor Compatible

The Bondtech Internal Filament Sensor Extruder for Prusa Mini may embed the new Prusa filament sensor for Mini or Mini+ on its front housing.
The extruder may be used with or without the filament sensor.
Use this set of parts to make your original Prusa Mini Extruder compatible with IFS.

Front Housing Plug

The front housing of the IFS Extruder for Prusa Mini includes a plug that is just a placeholder for the filament sensor steel sphere, and it allows the extruder to be used without a filament sensor.
If you want to use the IFS Extruder for Prusa Mini with the Prusa Filament Sensor, remove the plug and follow the guide to install all the accessories required.

Included in this Kit

  • 1x 10076-3 Front Housing (PA12)
  • 1x 10076-4 IFS Magnet Holder (PA12)
  • 1x 10076-5 IFS Lever (PA12)
  • 1x 15112 IFS Extruder Plug (HT-PLA)

Not included in this Kit

  • Prusa Filament Sensor
  • Filament Sensor Magnets
  • Filament Sensor Steel Sphere

Community Sourced Design

The original Bondtech extruder for Prusa Mini design was proposed to us by Olof Ogland. This new IFS version was developed by Vecko Kojchevski on top of Olof’s work. It’s based on the thoroughly tested BMG (Bondtech Mini Geared) and adjusted to the Prusa Mini original design.

Product Info

Net weight : 102.3g

Freight Weight 61 g
Dimensions 10.5 × 11.5 × 7 cm

Video Guides

Upgrading Prusa Mini From Bondtech Extruder To IFS Extruder
This guide may also be partially used to install the IFS Extruder for Prusa Mini.

Don’t forget to keep the e-steps

If you are upgrading the Bondtech Extruder for Prusa Mini to IFS, you must keep the e-steps value on 415.

When using firmware 4.3.3 or newer, change the e-steps value using the new Hardware Settings to customize the extruder. Check this article for more guidance :
No more difficulty with Bondtech on Prusa Mini
When using previous versions check steps Thirty Nine to Forty One on our Step By Step Guide.


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