Laser cut Arduino enclosure

by teabot, published

Laser cut Arduino enclosure by teabot Dec 4, 2010

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An enclosure for the Arduino that can be laser cut from sheet acrylic. Provides access to the USB port, DC jack, reset button, and pin headers.

The case was designed using measurements from an Arduino Uno board.

See also: 'Arduino and Ethernet shield enclosure':

Made at the London Hack Space:


1) Adjust the design to account for your laser cutter kerf: In this design the slots have been shrunk by 0.1mm to account for my laser cutter's kerf and provide a tight fit. However, this will vary depending on your equipment and true thickness of the material.

2) For a good fit you may want to cut a single slot and peg to verify the settings and adjust the design of the slot size accordingly in the DXF or SketchUp file.

3) Cut the design from 3mm acrylic. Slot the pieces together - excluding the lid!

4) Slide in your Arduino board, USB port first. Secure the board to the base plate with fixings of your choosing. I used some M3 bolts with insulating washers. But you could use PCB stand-offs if you wish - consider the alignment of the boards with the port cut-outs at this point.

5) Attach the top plate and secure with four 30mm M3 bolts. If you are likely to be removing the lid frequently then an elastic band maybe more useful than bolts. Be careful not to over tighten as this may shatter the acrylic.

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Hi! This design has a very common problem:
The connectors are too deep below the cover. If you are going to use any shell board, you will get bad contact due to get it far from the arduino board.
I happened the same with another boxes bought trough Aliexpress, and finally I have redesigned the side parts to get 3D printed and to replace the original ones.
Try to change the top of the box to get USB and power connector would pass over it and put lower walls arround, in order to get connectors raising the top cover.
Nice desing however!

Can you post a SketchUp file conversion of the .dxf file? I am bringing it in to SketchUp Pro and it mauls the dimensions (nothing lines up with the virtual Uno board). Option two is to give the exact length and width dimensions of the larger pieces and I can derive the scale.

I will send a .skp file when complete for others.


Comments deleted.

Hi, I'll upload the original SketchUp file shortly.

Ooooh, how about those dimensions? The imported dxf comes in at 227 inches high in AI.

Agreed, the dimensions would be helpful. I am having trouble importing this into Inkscape due to scaling issues.

same here. would really appreciate it!

I cut out a version today, but found that the tolerances on the slots are too tight. Sheet material like acrylic usually has quite some variation in the thickness. On the other hand you do not really need a press-fit connection if you already plan to close the box with nuts and bolts.

I will post my adaptation with wider slots soon.

Thanks. I'll add a note regarding the kerf issues.

Thanks for the awesome design!

I cut one of these cases and it looks great. I'm waiting for the weather to clear up so I can go buy the nuts and bolts. Amazingly, it's pretty solid without them.