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instead of using the strips of LEDs,you can ,and i have done this ,albeit for other reasons,have the acrylic sheet bead blasted with fine glass ,then drill holes to fit LEDs to the edge,the light will diffuse through the entire sheet,alternately as in the vid ,blast the sheet as before but instal a strip of both colour temperature LED strips to either side of the acrylic sheet using separate controls to mix colour hue.you need about 8-10mm thick acrylic to do it well.this method is used to illuminate text etched on the surface of clear acrylic sheet to give a floating sign kind of look.Nice vid and idea,being a n electronics designer i would make my own modulation driver,though china could probably supply one for the cost of a heat sink from radio shack(US) or maplin(UK).
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how did you set zero z axis height for the cutting tool,this is a nice build,i take it ,it could cut alluminium,albeit shallow slow passes,to upgrade it's self.Nice job.
im not trying to be smart here,but as you mention noise triggering the probe,could a de-bounce/schmitt trigger be used to counter any false positives.
doh!!!! rrrrrrrrr...sprinkles.That was just great,i love the simpsons,and that was exellent.gnash filled and chocolate cream inside,black cherries,chocolate chips....