PCB Holder for CNC

by Pyromaniac, published

PCB Holder for CNC by Pyromaniac Jul 27, 2017


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I designed some holder for my CNC. It is useful for PCB and some other smaller parts (like in the picture).

The mid-diameter is 5,5mm, the overall height is 8mm, the small step is 3mm heigh.
See the pictures for better dimensions.

Load, Slice and Print...

Aaaand, because of the dangers with CNC etc...you know what you are doing, right? ;-) You know how dangerous CNCs can get if you use 1500W (or even more power) spindles and this type of holders? ;-)
I hope you do...


Print Settings


RepRap NEO






Z:0.1mm, Nozzle:0.2mm


10% rectilinear

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Good idea, but I'd advise some form of vertical holding as well in case Murphy's Law strikes as it inevitable does ;-)

Hi mmorao,
thanks for your message. The holder have a bevel/slope on the one side that touches the PCB from the side. So, the PCB can't be moved in any direction, also not vertically.
I will add some more pictures/sketches later that will clarify what I mean.

All right, I see that should do the trick. This is trauma speaking, a 1500W spindle with a 6mm cutter grabbing a thick slab of perspex and shooting it across the room suddenly makes anyone a faithful of the Thick And Rigid Holders Church :-))

I suppose your PCB plates and engraving cutters will not raise the same issues :-) But your design does look nice, practical and well though out!


Oh, this sounds very professional, in this case of course, no one should use this holder made from PLA/ABS :-)

My machine is only a small one, good enough (and powerful enough only) for milling/drilling PCBs. I assume also all the guys and girls who buy and run a 3D-Printer and/or CNC hopefully know what they are doing :-) but maybe I will leave a note in the description...