by blokkendoos, published

RAMPS Case by blokkendoos Aug 18, 2011

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RAMPS Case by blokkendoos is licensed under the Creative Commons - Attribution license.

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A case for the http://reprap.org/wiki/RAMPS1.3 board. Used here to drive a small milling machine with pyCAM/FiveD/ReplicatorG toolpath.

It is a tight fit that does not leave much room for ventilation so take care that the drivers do not run too hot.


The case was printed, with raft, on a RepRap. The covers are both printed on a Makerbot with heated build platform.

Things TODO:

the board has a tight slidefit (is this proper english?) so be careful not to break the reset switch;

USB connector hole has to be shifted a few mm upward;

Use a drill to make room for the lower (Arduino Mega) board in the cover, see picture;

Optionally drill a small hole for reset switch (paperclip) access.

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Can you please add version 1.3 to title it was unclear to me and I printed this for nothing.

The ends don't even fit into the case..

I printed the ventilated version before I click on the link point to this one. unfortunately it does not fit my RAMPS 1.4.
BTW. it was meant for RAMPS 1.3 in any way.

How did you manage to connect everything to the actual machine? it doesn't have any hole for it...

Does it compatible with RAMPS 1.4 ?

only if the PCB has same size as RAMPS 1.3, the version I used it for.

If the assembled PCB dimensions changed, you can adjust the OpenSCAD source yourself.

Also you might take a look at the ventilated variaton, a slightly improved design.

Sweet project case! I think I'd like to adapt it to some other arduino project designs!

Nice work!

Does anybody knows if that's compatible with ramps 1.2 too? Is there any size difference?

Very nice! I love how you are blurring the line from store bought and custom made, I strive for the same results. Very clean print! I am jealous!


Really nice piece of design. Have you had it under load yet? The fan-idea might be a necessary add since the heated-bed-driver and the motor drivers usually produce a fair amount of heat...

Before casing the RAMPS I had some short (
lt;30min) testruns resulting in the polulu's not exceeding 60 degrees Celsius, read with IR thermometer.

That said, this application is used for a milling machine where there is no need for speed (compared to a RepRap) and thus much lower currents are needed to drive the steppers.

Speed is not related to current with stepper drivers. Current = available torque. Voltage = speed. In the case of a milling machine, current and torque are actually what you need, much more so than a 3D printer. Either you are taking very light cuts with your machine, or you simply haven't realized that you are missing steps.

I glossed past this one the first time until the blog picked it up. I thought the case was store bought and you had done a dongle or something. Fantastic work!

looks nice!

i'd like to see that with mount for a small fan.. maybe 40x40x20mm with a 12V supply

I was thinking the exact same thing! It could also maybe have an M8 nut size T-slot along the backbone to mount to something

Very clean looking! 8-)