Ooze test piece
by Erik, published
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Description
This is a test object for extrusion based systems that is quick to print and will exhibit a lot of ooze unless countermeasures are taken.
I've been working on anti-ooze for my Bowden based extrusion system (which has a lot of oozing if you don't do anything against it). Together with Nophead we've had particularly good results:
hydraraptor.blogspot.com/2009/11/hacking-with-erik.html
The latest version of my 3D-to-5D.php software solution checks whether a pull back is necessary. Segments that are very close to each other will not result in a pull back. If it's further apart, it has time to ooze more. Also, I don't want it to add too much to the build times.
Other references:
- Adrian's response when also trying pullback (again):
blog.reprap.org/2009/11/end-to-ooze-ii.html
- Nophead's RepRap blog post:
blog.reprap.org/2009/11/end-to-ooze-and-support-material-found.html
- Extruder valve
blog.reprap.org/2008/08/extruder-valve.html
I've been working on anti-ooze for my Bowden based extrusion system (which has a lot of oozing if you don't do anything against it). Together with Nophead we've had particularly good results:
hydraraptor.blogspot.com/2009/11/hacking-with-erik.html
The latest version of my 3D-to-5D.php software solution checks whether a pull back is necessary. Segments that are very close to each other will not result in a pull back. If it's further apart, it has time to ooze more. Also, I don't want it to add too much to the build times.
Other references:
- Adrian's response when also trying pullback (again):
blog.reprap.org/2009/11/end-to-ooze-ii.html
- Nophead's RepRap blog post:
blog.reprap.org/2009/11/end-to-ooze-and-support-material-found.html
- Extruder valve
blog.reprap.org/2008/08/extruder-valve.html
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Instructions
1. Download.
2. Slice it in skeinforge.
Make sure you turn of the towering feature, otherwise the model doesn't really exhibit much oozing.
Faster travel speeds can mitigate oozing. Pulling back the filament also helps.
3. Print it.
The STL file is twice the dimensions that are listed in the CAD image.
2. Slice it in skeinforge.
Make sure you turn of the towering feature, otherwise the model doesn't really exhibit much oozing.
Faster travel speeds can mitigate oozing. Pulling back the filament also helps.
3. Print it.
The STL file is twice the dimensions that are listed in the CAD image.
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(10 kb zip file)
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