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Rostock Extruder Maximus

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3D model description

I was experiencing issues with the stock EZ Struder. I reviewed and dabbled with a few designs, ideas, etc.. on the interwebs. Once the pile of Ninjaflex started laughing at me, I decided it was time to take on the challenge to design one myself. After several weeks and nearly an entire roll of plastic, I've tweaked it to the point I'm happy to share my results with the community!

UPDATE 2016-06-02 - Version 7
Since the time I published this several have reported the hob gear has increased in diameter. So, I've made the following tweaks to the v7 Extruder Maximus:
- Increased the hob gear hole diameter to accommodate the 12.4mm hob gear. Note: This will still work for the smaller gear.
- Carried the arm restraint all the way around on the top for additional support on the tensioner arm and spring.
- Increased the diameter of the top to allow the manual knob to rest against the hob gear.
- Decreased the diameter of the screw holes for tighter fit.
- Recessed the mounting screws.
- Added built-in support for the spring nub.
- Tweaked the pinch-point and removed the built-in support (really wasn't needed).
- Used all high definition cylinders in the 3D model and separated the pieces into individual STLs.

3D printer file information

  • 3D design format: STL Folder details Close
    • rostock_extruder_maximus_v5.stl
    • rostock_extruder_maximus_v7-base.stl
    • rostock_extruder_maximus_v7-standoff.stl
    • rostock_extruder_maximus_v7-top.stl
    • rostock_extruder_maximus_v7.stl

    Learn more about the formats

  • Publication date: 2020/04/07 at 09:42





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