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→Recommended Filament Settings: MAJOR update for PETG settings
(→Known Issues and Fixes: add Cyclone Filament) |
(→Recommended Filament Settings: MAJOR update for PETG settings) |
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==Recommended Filament Settings== | ==Recommended Filament Settings== | ||
'''CURA 3 settings for iPrint3D | '''CURA 3 settings for iPrint3D & MG Chemicals PETG''' | ||
'''Quality''' | '''Quality''' | ||
* Draft Quality ==> Layer Height: 0.2mm (Don't use less than this with PETG.) | * Draft Quality ==> Layer Height: 0.2mm (Don't use less than this with PETG.) | ||
'''Shell''' | |||
* Wall Thickness: 1.2 mm (3 perimeters seem to work a bit better than 2) | |||
* Top/Bottom Thickness: 1.2 mm (Same as above. Will be more than required by PLA.) | |||
'''Infill''' | '''Infill''' | ||
* Infill Pattern: Zig Zag | * Infill Pattern: Zig Zag | ||
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* Skin Overlap Percentage: 10 | * Skin Overlap Percentage: 10 | ||
The Infill Overlap is '''extremely high'''! This value is used to ensure the infill will not separate from the Shell layers.<br /> | The Infill Overlap is '''extremely high'''! This value is used to ensure the infill will not separate from the Shell layers.<br /> | ||
'''Material''' | '''Material''' | ||
* Printing Temperature: 240 °C | * Printing Temperature: 240 °C | ||
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* Flow: 100 % | * Flow: 100 % | ||
* Retraction Distance: 0.5 mm | * Retraction Distance: 0.5 mm | ||
* Retraction Speed: | * Retraction Speed: 25 mm/s | ||
* Retraction | ** Retraction Retract Speed: 25 mm/s | ||
** Retraction Prime Speed: 40 mm/s | |||
'''Speed''' (Testing in progress on these settings) | '''Speed''' (Testing in progress on these settings) | ||
* Print Speed: | * Print Speed: 25 mm/s | ||
** Infill Speed: 40 mm/s | ** Infill Speed: 40 mm/s | ||
** Wall Speed 20 mm/s | ** Wall Speed 20 mm/s | ||
*** Outer Wall Speed: 20 mm/s | *** Outer Wall Speed: 20 mm/s | ||
*** Inner Wall Speed: | *** Inner Wall Speed: 25 mm/s | ||
** Support Speed: | ** Support Speed: 25 mm/s | ||
* Travel Speed 240 mm/s | * Travel Speed 240 mm/s | ||
* Initial Layer Speed: 20 mm/s | * Initial Layer Speed: 20 mm/s | ||
'''Travel''' | '''Travel''' | ||
* Z Hop When Retracted: SELECTED | * Z Hop When Retracted: SELECTED | ||
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'''Support''' | '''Support''' | ||
* Support Pattern: Lines | * Support Pattern: Lines | ||
* Support Density: 20% | |||
'''Cooling''' | '''Cooling''' | ||
* Enable Print Cooling: UNSELECTED | * Enable Print Cooling: UNSELECTED | ||
'''Special Modes''' | '''Special Modes''' | ||
* Print Sequence: One at a Time | * Print Sequence: One at a Time | ||
'''Experimental''' | |||
* Enable Costing: SELECTED | |||
** Costing Volume: 1.0 mm<sup>3</sup> (aprox. 150% the Cura 3 default value) | |||
The '''new''' (experimental) Costing Feature of Cura 3 is what enables the above settings to provide a very noticeable improvement in the PETG print quality. Where using Costing together with a smaller retraction works far far better than using just retractions. | |||
NOTES: | NOTES: | ||
* The above settings are a "best compromise", to get '''good''' results, without limiting the print speed any more than necessary. | * The above settings are a "best compromise", to get '''good''' results, without limiting the print speed any more than necessary. | ||
* For best results printing PETG, '''do not use the Filament Fan'''. (Print with the Hotend Heatsink Fan '''only'''.) When the Filament Fan is used, expect layer separation problems. When printed without using a Filament Fan, PETG has '''exceptional''' layer bonding. | * For best results printing PETG, '''do not use the Filament Fan'''. (Print with the Hotend Heatsink Fan '''only'''.) When the Filament Fan is used, expect layer separation problems. When printed without using a Filament Fan, PETG has '''exceptional''' layer bonding. | ||
* As a filament type, PETG is terrible at things like bridging. This includes you might need just a bit more top surface over infill to get a smooth outer layer. | * As a filament type, PETG is terrible at things like bridging. This includes you might need just a bit more top surface over infill to get a smooth outer layer. | ||
* As the head moves through spiderweb thin strands between printed parts, PETG filament build-up on the '''outside''' of the printhead. Despite this, any print that could be described as a "highly shaped bock of plastic" will | * As the head moves through spiderweb thin strands between printed parts, PETG filament build-up on the '''outside''' of the printhead. Despite this, any print that could be described as a "highly shaped bock of plastic" will work well. But for prints where the head constantly moves over open air (no plastic under the head), the melted PETG dropping off the outside of the printhead might cause that print to fail. | ||
== Cura 3 Settings == | == Cura 3 Settings == | ||