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Fabscan RAMPS Edition

by drandolph, published

Fabscan RAMPS Edition by drandolph Aug 25, 2013
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License

GNU - GPL
Fabscan RAMPS Edition by drandolph is licensed under the GNU - GPL license.

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Summary

I originally ordered the shield but it never arrived (I balme customs) and after seeing the price tag on a new scanner I decided to forge ahead anyways. So this arduino sketch works with an off the shelf RAMPS 1.4 board and now you can make a Fabscan without a soldering iron!

I attached my 1st scan at "normal quality" It's of my teeth just after I got my braces off as a kid.

Instructions

It's really simple. Follow all the instructions from the original Fabscan project. http://hci.rwth-aachen.de/FabScan just ignore the board and arduino wiring. I changed the pin-outs in the arduino ino file to work with the RAMPS board.

X-min = light switch
X axis = turn table
y axis = laser
D8 = laser power
D9 = LED power
y-min = MS

You will notice a light switch. In the older versions they had light controls and they left it in their code (I assume in case they want to come back to it) I brought it back in the form of a way to light your workspace while you work while still leaving the code and serial command in place so they can change their software and this .ino file should still work. The switch is wired up just like the tutorial from arduino and I've attached an image to help you out.

So get yourself a foot of 12v LED strip and one 10k resistor and a switch and you have a work light that you can turn off during your scans.

Side note if you haven't checked out their software go look at some of the screen captures. After I got mine all built I was able to calibrate it super fast and directly in the menu they have and export to .STL file. So it amazing and great credit to them.

I plan to go back and modify the case somewhat but this is a great way to avoid soldering or making you own PCB's.

Also attached is a very basic cover for the top and front you can use to block light during a scan.

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Thanks for posting this! I'm looking to build their new rPi2 version and noticed their rPi Hat is nothing more than their shield and Arduino combined and placed on the rPi. Since the FabScan-Pi stuff isn't available yet, I was looking to either build a shield or use a RAMPS and now you've helped significantly with that.

BTW, they are now using an RGB LED ring around the camera to adjust the color and improve the scan quality so the LED control isn't just for human lighting pleasure. The new Arduino firmware is here( https://github.com/mariolukas/FabScanPi-Firmware ).

Thanks a bunch for validating and documenting going down this path( ie with RAMPS ).

i dont understand how i'll wiring laser in ramps, any one help me ?

I cant get the nema 17 to spin while your firmware is update. I upload a test firmware and the motor spins. does something have to be changed in your firmware to allow the motor?

cant open the cdr file, keep getting an error..would you have the dxfs?

How much would it cost to have you cut out some panels?

I've made other kits in the past but those kits were after market modifications or add-ons so for me to post this arduino sketch and then sell their designs as-is just feels personally wrong to me. That and I want to support their development since they sell their own kits (not in the states, but will ship to the states) here is their full kit including electronics http://www.watterott.com/en/FabScan-Cube-Electronicshttp://www.watterott.com/en/Fa... they also sell just the panels http://www.watterott.com/en/Fabscan-CUBE-Kithttp://www.watterott.com/en/Fa...

Now if you want to cut your own there are plenty of hacker spaces with laser cutters and techshop has them as well. As long as the cutter will cut 5mm birch and 20"x12" cutting area you're good to go.

....If they ever want a distributor in USA I'm all ears but till then I don't want to take their money by selling kit's under their nose.

are you using more than one stepper motor?

I used the fabscan100 design which has a stepper for the table and for the laser line however the new version of the software doesn't really use it very much so you don't have to have a second one. However I had extras sitting around so I kept it in there in case it ever comes back in style.

The local Hack space I have their laser cutter is too small. I was gonna buy the electronics myself. Since I knew you had access to a cutter, that is why I asked.

Where did you get those nice looking black plates/parts?

It is just 5mm birch plywood that I laser cut from the design files on the fabscan project page http://hci.rwth-aachen.de/fabscan_instructionshttp://hci.rwth-aachen.de/fabs...

I then spray painted it flat black to keep reflection down. Then to make the Fabscan logo stand out I used a vinyl cutter to make the lettering.

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