K40 laser: Dither or Gray scale engraving ?

While ‘Dither vs Gray scale’ sounds like a movie, it’s the question K40 laser engravers ask themselves every day. I recently got a question on FaceBook asking me what the difference is between dither and pwm (he meant ‘gray scale’) engraving. In a nutshell: The pulse width modulation (pwm) signal used for gray scale engraving […]

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Buy K40 laser cutter upgrades, CNC controllers and more online

Buy laser cutter upgrades easily in our new store SuperGerbil.com.  It sells all our products in a standard shopping cart format, so it’s easy to use.  We’ve included local and international shipping in the product price, because that’s what you like. And don’t worry, we’ll continue to blog and hold the K40 forum on Awesome.Tech […]

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Super Gerbil CNC Controller Accuracy Testing

We machined this acrylic disc as a simple initial test. Time to test Super Gerbil CNC controller accuracy. Using Fusion 360, we designed and machined a simple 25.00mm disc from clear 4.4mm acrylic. Dimensions of Sample Circle After that, we measured with grandfather’s old micrometer and my verniers. Grandfather’s micrometer is handy for measuring our […]

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Super Gerbil CNC Controller Testing

A part of our upcoming toy truck, used as a demonstration of Super Gerbil CNC controller It’s testing time for the Super Gerbil CNC Controller pre-production units! We put them through their paces with a testing regime that’s included a wide range of activities: Installation – technically correct and user-friendlyConfiguration – technically correct and user-friendlyAll the basic […]

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