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Parametric openscad Remix of Universal stand-alone filament spool holder
by GeoDave, published
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This is a remix of the parts needed for a Kossel 2020 printer. This was remixed from: http://www.thingiverse.com/thing:508896
For the remix of the guide tube see this part: http://www.thingiverse.com/thing:1710043 . I did include the stl file for this that I used on my Kossel.
I changed the profile slightly of the Spindle cavity & the Spool Holder Base Shaft & recommend printing Spool_New_Spindle_And_Shaft_Test.stl to make sure it will fit for you. For the original profile of the cavity & shaft, test print Spool_Original_Spindle_And_Shaft_Test.stl
In the openscad files for the Spool Spindle & Spool Holder base 2020 there is an option to choose between these 2. The reason I made that change was for a better fit printing from my printer. If you are using one of these with another part from that project, you will want to use the original profile, but be sure & run the test print of the original profile1st to make sure it will work for you. The test prints will take a lot less plastic than the final parts.
Changes to the Spool Holder Base 2020 are:
- variable diameter hole for the T-Nut Screw with the option for a slotted hole. 4.8mm is default for M4 Screws
- Width of Aluminum extrusion used. 20.5mm is default
- Thickness of plastic that T-Nut screw head rests against.
- Bottom Base width. (Default is 4mm). If your printer has a hard time printing that narrow of width, you can increase it
Changes to Spool Spindle
- Made Height of Spindle Center variable. Default matches height of Original 4" Spool Spindle
- Made Bearing Wheel Cavities Rounded at the top for better printing
- Added Optional Slot opening where Spool Holder Attaches (This printed better for me this way)
- Changed the Center cut of the Spindle for an easier fit for me
Variable: OriginalCenter = 0 (Original Center Cut)
Variable: OriginalCenter = 1 (New Center Cut)
Change to Centering Cone
- I really only changed was rounding the upper internal cut for no overhang when printing
Bearing Wheel I did not really change other than converting it to openscad
I included the STL files I used for my Folger Tech Kossel 2020 3d printer. There is one image that visually shows the difference between the original & new profile of Spindle cavity & Spool Holder Shaft.
If you need any other of the original parts converted to openscad, let me know & I will take a look to see if it is possible for me to convert it.
There is also a test print to check the width of your aluminum extrusion. That file is: 2020_CutWidth_20_5_Test.stl or edit the openscad file 2020_CutWidth_20_5_Test.scad to what you want to use.
The filament spools I use are about 8" in Diameter & 3" or less thick. If yours are wider or thicker than this you may have to make your SpoolSpindle taller and/or your Guide Tube longer.
After you are happy with your test prints, here are the parts to print for the Kossel 2020
Print these parts for the Kossel 2020:
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Parametric openscad Remix of Universal stand-alone filament spool holder by GeoDave is licensed under the Creative Commons - Attribution license.
What does this mean?
- You must attribute (give credit) to the creator of this Thing.
- Remixing or Changing this Thing is allowed.
- Commercial use is allowed.
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