Building the C-Bot 3D printer: Part 26 : First ‘big’ print
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I’m still heavily tuning the extrusion, but wanted to print something ‘big’ to see what the machine could do: Ran across the ‘Zuzanna Lamp‘ on Thingiverse, thought I’d give it a shot, it’s about 10″ across:
Print settings were:
- 1.0 Volcano nozzle, 500 micron layer height.
- Extruded @ 200 deg, HPB @ 60 deg.
- ‘Natural’ PLA.
- Took about 6.5 hours @ 30mm/sec.
Things learned:
- Still having a hard time getting each layer to stick together: Many horizontal cracks showed up during printing, where the layers were delaminating.
- The print quality towards the top really fell-off : The filament would really ‘wick up’ at the end of an extrusion. I feel its not being cooled fast enough.
So a lot more tuning is needed, but hey, at least it printed something bigger than my Replicator 1 ever could!
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