Prusa Mini

The Prusa Mini, sometimes stylized as the Original Prusa MINI, is an open-source fused deposition modeling 3D printer that is manufactured by the Czech company Prusa Research.[1][2] The printer is the lowest cost machine produced by Prusa Research and is designed as a first printer or as part of a 'print farm'.[1][3][4]

Original Prusa MINI
Prusa Mini+ Black Edition
ClassificationFused deposition modeling 3D printer
InventorJosef Průša
ManufacturerPrusa Research

Specifications

Mini
Image of a Prusa Mini Clone
Prusa Mini Clone

The Prusa Mini was officially launched in October 2019.[5] The printer is available either assembled or as a kit. The build volume is 180 x 180 x 180 mm, and the print is performed on a spring steel sheet which meant to be easy to remove.[2] Minimum layer resolution is 50 micrometers, and the maximum print speed is 200 millimeters per second. The printer has an LCD color display (non-touch), is able to print via USB drives. It has a custom 32-bit mainboard and a built-in online firmware updater. The printer has sensorless homing using Trinamic 2209 drivers and has a custom hot end which supports E3D nozzles.[6][7]

It has several safety features including three thermistors to detect thermal runaway.

The printer is the first open source hardware product to require a user wishing to use unsigned firmware to physically break off a piece of the PCB, voiding the printer's warranty, before it can be flashed onto the board.[8] This made sure Prusa wasn't liable for damage caused by printers instructed to behave in an unendorsed manner by custom firmware (such as disabling thermal runaway protections or other safety features).[8]

Mini+

In November 2020, the Prusa Mini was replaced by the Mini+, which had a few small updates meant to ease assembly and maintenance.[9] One of the changes was a new mesh bed levelling sensor called "SuperPINDA" which replaced the previous "MINDA" sensor, and it is claimed by the manufacturer that this should result in a more consistent calibration of the first print layer in particular. The Mini+ the filament sensor, is an optional extra.

See also

References
  1. Griffiths, Laura (24 October 2019). "Prusa introduces new $350 MINI 3D printer". TCT Magazine. Retrieved 26 December 2019.
  2. "Prusa Unveils Original Prusa Mini 3D Printer and Announces Prusa XL". All3DP. 12 October 2019. Retrieved 26 December 2019.
  3. Bush, Steve (14 October 2019). "Prusa cuts the cost of production and prototype 3D printing". Electronics Weekly. Retrieved 26 December 2019.
  4. "Mini Prusa MK3 Appears at TCT Birmingham 2019". All3DP. 25 September 2019. Retrieved 26 December 2019.
  5. Prusa, Josef (12 October 2019). "Original Prusa MINI is here: Smart and compact 3D printer for everyone!".
  6. "2019 Original Prusa Mini 3D Printer: Review the Specs". All3DP. 14 October 2019. Retrieved 26 December 2019.
  7. "Prusa Research Releases Prusa Mini for $349". 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing. 14 October 2019. Retrieved 26 December 2019.
  8. "Prusa Dares You To Break Their Latest Printer". Hackaday. 16 December 2019. Retrieved 26 December 2019.
  9. Prusa, Josef (24 November 2020). "November 2020 Update: Original Prusa i3 MK3S+ and MINI+ now shipping, MINI+ kit in the works, new steel sheet available".
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