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Rostock is a delta robot 3D printer.
This part can hold a MakerGear PEEK insulator (GrooveMount) and a bowden tube with 4 mm outside diameter. The M8 nut allows adjusting the clamp pressure so that the bowden tube won't pop out.
Newer versions of the OpenSCAD source files will be published here: http://github.com/jcrocholl/rostock
Print with ABS to make it more heat resistant. The original Rostock prototype uses PLA and it works okay too. Just make sure you don't pre-heat your hotend for too long without a fan pointing at it.
The top is very thin so you may need to print slowly to allow each layer to cool enough before you print the next layer. If this is a problem, use bowden_hotend_cooldown.stl to add extra cooling time for each layer.
I recommend flexible clear metric PFA (Teflon) tubing with 2 mm inside and 4 mm outside diameter, e.g. http://www.mcmaster.com/#catalog/118/137
Bowden clamp for Rostock by Johann is licensed under the GNU - GPL license.
So what's this mean?
We're sure Johann would love to see what you've printed - take a photo and share it on Thingiverse as a Make.
To post a Make simply visit this Thing again and click I Made One to start uploading your photo. You can also download the Thingiverse Mobile app (available via Google Play and Apple App Store) to take a photo and upload your Make right from the app!