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The fire risk created by printing unattended is not worth it.
Sounds like a noble pursuit!
Perhaps the way cost could be kept lower is by reverse engineering what the intended outcome would be.
If the desired end goal is a way to safely, remotely and automatically clear the build plate perhaps a type of conveyor belt type contraption might work. You could have a type of scraper with a very thin point (think sizing gauges) that removes the print from the surface and it is then pulled forward by ‘arms’ onto the conveyor belt and shipped into a container or waiting bay.
It’s maybe a little outside the field of a robotic arm but there’s a potential it could work to the same effect which could remove a lot of restrictions to the price point obviously encountered when trying to engineer and program a robotic arm which would have many different variables.
Not sure if this helps!
Thanks for your input, Mason! Any input helps! More ideas the better 
I always try to apply the K.I.S.S. principle to just about everything in life. At least the best that I can. I think its a cool idea but from my perspective is if all your trying to do is eliminate a 30 minute commute to the office I would be loading those two Desktop printers into my car and bringing them home. Making my home my office and eliminate the overhead of an office and with the increased revenue by a couple more cheap desktop printers. Just seems like more of a hassle than it would be worth.
I would like to respond to this, I build an enclosure around my 3D printer with a door and there is insulation on the inside of the box. In the box i mounted an automatic fire extinguisher (Automatic Fire Extinguishers for Boat Engines & Server Rooms 2 ). I leaf my printer printing all the time, did jobs close to 48 hours and u can’t stay home that long. It is a very cheap solution for if the printer really gets on fire. The only disadvantage is that the powder will ruin the printer and probably damage some stuff close the printer, but i don’t expect my printer to get on fire. It’s just a safety measure i never hope to use, but if i need it, i only need a new printer and enclosure and not a new house (and other emotional stuff).
I bought the automatic fire extinguisher at a grow shop in Holland were they sell stuff to build your own weed house (u can imagine the fire hazard of having this in your house 
)
U can also buy a automatic fire extinguisher they use in server rooms and campers (but they are over 300 euro’s). They contain foam or co2 and they wont severely damage the printer and especially the surroundings if it is in a room with furniture, carpeting or other stuff u surely don’t want to replace after the fire extinguisher went off.
As an off-topic, why not use a CO₂ extinguisher? There shouldn’t be any reason not to and with a fused system it should work well.
I agree that ABC powder is overall the best but yeah, it can be a huge pain to clean up.
As i mentioned they are quite expensive, especially the ones with automatic fire extinguisher function. Because i’m pretty convinced my printer wont start a fire i choose the cheap option. Also the fire extinguisher would have cost the same as the printer. (link: http://www.fireandsafetycentre.co.uk/Products/1280/Strike\_FX\_1kg\_FM200\_Automatic\_Fire\_Extinguisher.html)
I feel your pain. For construction lasercutting is definentely the way to go. Unfortunately I have no experience on the software side of this but i do know with a rasperry pi you can controll gpio in conjunction with something like octoprint. However I do have a ton of experience in manufacturing as well as the mechanical aspects. Good Luck on your project. -Alexander
I am big fan of K.I.S.S. principle myself! What you are suggesting makes a lot of sense provided:
1. You have auto-level feature for your 3D printer so that you don’t have to calibrate it every time you move it.
2. You don’t have 17 month wild child at home with access to almost all areas 
3. You don’t have to commute by subway
Check this out, it may inspire you! Automatic Print Ejector - The Punching Machine by MatterHackers - Thingiverse 8
hahaha…love it! Thanks for the link
Dear Prasad,
This is good idea. I also have your probelm. I think many pepole interest and buy if you can make a robotic arm cost around 200-500USD, and really handel 3d printing automate that process.
Thx
Odin
Hi,
Yes, that is definitely something I would invest in.
I also wish I could print remotely.
2 months later
Une solution proche est déjà en gros développent regarde ça http://tend.ai/ 3
Cordialement, Lucas Mériau.
4 months later
try out Design’N’Buy print solutions 5. Hope you will get what you need.
2 years later
If you’re still interested in doing this but 10x bigger, then shoot me an email at sloiczly@gmail.com. The high level idea is to be able to create a town with an autonomous 3D printing robot. Imagine a self driving car but remove the hood and add 4,5,6+ 3D printing arms! Email me and we’ll talk more.