ESR
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ESR - Engine, Standard Resolution
The ESR is our leading unenclosed desktop printer.
History
- The Engine was introduced during our Kickstarter campaign with five different configurations:
- E1 Tinkerer: one filament head, no heated bed, no computer
- E2 Hobbyist: one filament head, heated bed, no computer
- E3 Apprentice: one filament head, heated bed, computer - this became the standard model after the Kickstarter
- E4 Journeyman: two filament heads, heated bed, computer
- E5 Professional: four filament heads, heated bed, computer
- The ESR (Engine, Standard Resolution) name changed to avoid confusion with the new EHR (Engine, High Resolution)
- The ESR v2 was introduced in 2021, and comes with better motors with closed-loop feedback and quieter operation. CE marked units are available upon request.
Technical Data
Technical specifications and accessory compatibility for printers currently shipping are detailed in the comparison chart on the Printer Overview page.
Adjustments
| Metric | Units | During Slicing | In G-Code Editor | GUI During Build |
|---|---|---|---|---|
| Speed of Travel | mm/min | yes | yes | no |
| Layer Thickness | mm | yes | no | no |
| Flow Rate | nL/sec | yes | yes | yes |
| Extruder Temperature | °C | yes | yes | yes |
| Fan Speed | % of max | yes | yes | yes |
| HotBed | °C | yes | yes | yes |