Mini Gerbil 2 Axis Controller for K40 Laser Cutter PRO-PACK


Suitable for K40 and other 2 axis laser cutters / engravers

Out of stock


8th of June update: 2 week shipping delays for USA/European customers due to COVID19

Time for a K40 upgrade ?  The Mini Gerbil is ideal for K40 and other laser cutters/engravers requiring 2 axis and laser control. Throw away your current controller such as Nano M2 and enjoy a smooth experience and higher speed operation. Full installation instructions and support provided.  Includes custom acrylic case flatpack.

The Mini Gerbil is compatible with:

  • Inkscape – we’ve built custom add-ins that give you laser control from inside the graphics editor
  • Laserweb
  • Lightburn
  • Easel
  • Other g-code senders

This Pro-Pack includes related upgrades to help you get the most from your k40 upgrade:
* a quality replacement lens to get the most from your beam
* an exhaust fan upgrade with easy to fit drag chain

Mini Gerbil’s dimensions are approx. 80 x 50 x 22 mm.

All prices in USD Dollars

Additional information

Weight0.375 kg
Dimensions22 × 16 × 7.7 cm


  • upgrades K40 design weaknesses (controller, software, lens and fan)
  • runs of your K40 with no need for additional power supplies
  • faster than any alternative control system due to the 72 MWhz 32 bits ARM processor
  • allows fine gray engravings due to 16 bits  PWM
  • small footprint
  • no dongle required
  • support via our K40 forum
  • sturdy and reliable in custom acrylic case
  • easy to install


Suitable for K40 and other laser cutters / engravers

Runs of existing laser power Full simultaneous 2 Axis – X and Y

Assemble your own case from flat pack

Ultra smooth high precision with 32 bits

Hold large G-code files with 96kB fast Flash/RAM memory

2 x A4988 standard step sticks included (1.5A)

Easy connection to standard K40 connectors (USB port communication)

Runs of existing laser power supply

Clear ZnSe Laser Lens 30% more power

Drag Chain for Air assist

mini PCB fan as air assist

Free access to Mini Gerbil Firmware updates for the life of the product

Community Support – K40 Forum


The Installation instructions can be found here and a troubleshooting chart can be found here

Dragchain and Clear USA ZnSe lens installation:


LightBurn G-Code License Key – Just add the accessory to your checkout

USB Mini B – Communications cable – 80 cm

Just add one to your checkout cart.


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