PCB etching box with microcontoller

by axill, published

PCB etching box with microcontoller by axill Apr 26, 2013
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I designed it to help my self with my electronic hobby.
I had two versions. First one you will see as a first jpg image - I printed bottom and top of the box using my Replicator 2.
Test shows that printed thing is not sutable to hold liquid...
This why in a second version the major part of the box was glued using plexiglas.
Fill yourself free to contact me on PCB design or source code for Atmega8


  • Do not print things with "sborka" in the name - it is just to illustrate the final construction
  • Things with "vannochka_stand" in a name are the things need to be build from plexiglas. I made them using CNC. If you going to do them mannualy please adjust sizes because i use some slots
  • the rest is for printing (mostly head of the box + box for microcontroller)

all was designed to be printed without raft and without support

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Great design! I'm considering building a similar box.
One general question: I imagine you used ABS as printing material. Is PLA also etch resistant? I'm using sodium persulfate for etching.
I think I could save some time, if somebody has any experience. :)

I'm using PLA. It depends on what you mean by resistant. My printing thing is resistant to chemicals but not holding any liquid - liquid is goin away because of many small holes in a body of a thing. The bottom of my second version etching box is from plexiglas. The top was printed because fro top it is less critical to hold liquid. I also use some glue and brush to cover my top thing.