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This is a herringbone drive gear that has been modified to have a beveled edge. This bevel allows for better prints of the drive gear because its first layer is circular creating an accurate print from the start. This circle rids the gear design of the original 'star' shape in the first layer, making the part more accurate and repeatable.
Print with full infill for best performance and the least chance of the part breaking during use.
Beveled Herringbone Extruder Drive Gear by PSUReprap is licensed under the Creative Commons - Attribution license.
So what's this mean?
We're sure PSUReprap 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!