Extruder Calibrator/bolt measure
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120mm ruler with measurements for easily marking and measuring filament during the extruder calibration.
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Model information
- Source
- Printables
- Category
- Accessories
- License
- Creative Commons — Attribution — Share Alike
This was actually designed for the Voron printers but it will probably work for others. I haven't tested it on any others though.
I wanted a ruler to easily and repetitively mark the filament at 120mm and then measure the actual extruded filament afterwards to calibrate the e-step. So I made this. I know there are others out there, like Heersert but it doesn't have the millimetres markings, only centimeters. Also, I wanted it to be completely flush on both ends so I don't have to remove the filament or the PTFE tube from the extruder to make measurements.
This can also be used to measure screws as I just found out.
There's a groove on the side with the measurements as close to it as possible for easier reading. This was designed for 1.75mm filament.
I recommend printing it on a higher resolution. I chose 0.15mm
I also found this was perfect for measuring the length of bolts/screws. I have a big bag of mixed screws from over the years. I use to use my digital calipers to measure them but this work like a charm. It's simple and quick. See the images for reference.