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TOME - Portable 3D Printer

Portable and self contained FDM 3D printer designed to be the ideal tool for field hospitals short on supplies and nomadic engineers alike.

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This project was created on 06/10/2014 and last updated 3 days ago.

The overall dimensions for this project are subject to change but are currently 4" THK x 8" x 11" when folded, with a print volume of a 5" cube. The TOME will have an integrated battery pack (Battery chemistry has not been decided) and a removable filament reel cartridge. Current plans are to make this a PLA only printer with a heated bed for better adhesion. Custom designed XYZ drive and extruder, full CAD and assembly drawings will be available as components are finalized.

More to come!

Current Build progress:

Preliminary Goals: 

1. 4 Hours of print time on battery, 6 with extended battery pack

2. Two filament cartridges: Standard will hold enough filament to print a solid 3" cube, extended will hold enough filament to print a solid 5" cube

3. Accessible hot end that is easy to remove and replace

4. Wireless printing and distributed printing. TOME printers will be Wifi enabled to allow a desktop application to distribute larger files among several printers. There has also been discussion about allowing "Print sharing" where TOME users can make their TOMEs position be shared and allow other users to request prints. 

5. Auto leveling bed: An actual auto-level feature will enable printers to work remotely with minimal operator interference. 

The goals for this project may evolve to encompass more features as this project matures. 

  • 2 × NEMA 14 Stepper Motor X, Y, and Extruder drive motors
  • 2 × NEMA 8 Stepper Motor Z- axis Drive motors
  • 3 × Sparkfun ROB-09454 IR distance sensor for end stops
  • 2 × Lower Motor Mount https://www.shapeways.com/model/2069980/motor-mount-v1.html?modelId=2069980&materialId=6
  • 8 × M3x1.00 10mm Lg Socket Cap Screw Mcmaster: 91239A115
  • 8 × M2x1.00 10mm Lg Socket Cap Screw Mcmaster: 91239A706
  • 2 × Anti-Backlash compression spring Mcmaster: 9657K306
  • 4 × Brass 1/4-20 UNC Hex Nut Mcmaster: 92676A029
  • 4 × X / Y Drive Axis Spindle Bearings Mcmaster: 638K17
  • 8 × #2-56 x 0.13 Lg Socket Head Scr Mcmaster: 91251A072

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  • The TOME Status

    3 days ago 0 comments

    First off I would like to thank everyone for the continued interest in this project, to give a brief update on the project:

    The TOME team had to put this project on the back burner to focus on other ventures. This summer we will be re-launching the project with the goal of producing the first fully-functional prototype and doing some real world testing. Keep your eyes peeled for updates!

  • Out of the Running

    09/30/2014 at 23:59 1 comment

    It was with great sadness that Corey and I had to shift our focus away from the Tome to more pressing matters, as the deadline for the second video approached we tried our best to shift working schedules and find time to produce updates but ultimately were unable. We are still going to update the project as time allows, and will hopefully get the TOME to production one day. 

    Thank you for all of the support and interest, we hope that you will all continue to follow our development into the future. 

  • 3D printing and GrabCAD

    09/18/2014 at 06:20 0 comments

    I was able to 3D print the nut retainers today and they came out great, still need to order the Shapeways parts to really put the entire assembly together. I'll be kicking that order off this Friday and will have enough components to get the Z-axis together and operational. I'll keep plugging away at the design for the X and Y axis but wont be able to get parts in for those until after this second round of judging. 

    I also took a moment to update the GrabCad project located here: https://grabcad.com/library/tome-3d-printer-1 with more finished components. Please note that these parts may change over the course of the design, and new versions will be marked V2 when I update the files. 

View all 29 project logs

  • 1

    3D printed parts can be found at this Shapeways Shop:

    https://www.shapeways.com/shops/RTH-Robotics?s=0

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Discussions

georgefomitchef wrote 01/15/2016 at 16:47 point

Hi!

Maybe it will be interesting to you

Tutorial how prepare Gcode to make laser engraving using inkscape

Here is the video

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Jasmine wrote 08/15/2014 at 22:30 point
Hello Philip & Corey.
I just wanted to remind you of what must be on Hackaday Projects by August 20th for TOME to be considered for the next round of The Hackaday Prize:
- A video less than 2 minutes long describing your project. Put it on YouTube (or Youku), and add a link to it on your project page.
- At least 4 Project Logs
- A system design document. Please highlight it in the project details so we can find it easily.
- Links to code repositories, and remember to mention any licenses or permissions needed for your project. For example, if you are using software libraries you need to document that information in the project details.

You're Astronaut or Not tshirts should be with you shortly. Thanks for entering and good luck!

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Dean Gouramanis wrote 07/27/2014 at 17:48 point
StepperStack Revision 5 is tested and working flawlessly. Production starts next week. I will send a sample.

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samern wrote 07/13/2014 at 13:33 point
Hi Philip. I love this idea and will be the first in line to buy/build one. Can you tell me if you plan to allow for the unit to be plugged in at the same time (e.g. in case it will be clear 4-6 hours of battery will not be enough)?

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Philip Ian Haasnoot wrote 07/14/2014 at 05:07 point
Hi Samern, thanks for commenting.

The plan is to include a wall power adapter with the tome so that it can be run via a standard outlet for longer prints. The deciding factor for the power supply specs will depend on what is considered to be an acceptable charging rate.

Most likely we will supply the TOME with a 12V power supply which will give the community the option to upgrade to any suitable alternative power supply if they wish to have faster charging rates; The maximum charge rate will depend on what type of battery chemistry we ultimately come to an agreement on. I would still love to use LiFePo4 cells, however the power density makes it a more difficult chemistry to use for this application.

If you were the end user, what would an acceptable charge time be? Personally I think a 2-3 Hour charge time while not printing, and a 4-5h charge time while printing would be acceptable.

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samern wrote 07/14/2014 at 12:49 point
Hi Philip,

Thanks for your response. I have no issue with your charging times. I think they are pretty standard for the sort of thing you are doing. Plus, if I leave it plugged in all the time and only take it off when I am truly going portable then it is what it is. It's too bad a USB's 5V is not enough to drive all the electronics, motors and hotend, but I think the charge time (and the power supply you provide) also is going to depend on whether one day you choose to allow for ABS as well as PLA. Heck if it were viable, I'd rig a solar panel to it and go totally green.....

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Philip Ian Haasnoot wrote 07/14/2014 at 15:23 point
It's funny you bring up the Solar Panel idea, I actually was an engineering consultant for BioLite LLC and plan to illustrate how the TOME can be charged using alternative sources of power. Solar, BioLite stoves, wind, even pedal power would be usable to charge the device. I've also built several solar powered race boats and have experience with solar arrays. The charge time would vary depending on the Kw output of the solar array, I'm wondering now if it may be useful to include suggested alternative energy layouts for charging the TOME off-grid.

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Jasmine wrote 07/09/2014 at 21:45 point
Hello Phillip, your project has been featured over on http://hackaday.com/2014/07/09/thp-entry-tome-the-portable-3d-printer/ today.

Also, did you know you if you go to edit your project you can put links to other sites in the left hand side? It's a good way to show off where you have been featured.

Keep up the great work.

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Adam Fabio wrote 06/18/2014 at 02:05 point
Desktop 3D printing is almost at a point where it's a "mature hobbiest" technology - but it would be great to see it make it's way into places where it can save lives. You've got a great idea in TOME, Thanks for submitting it to The Hackaday Prize! I love your CAD views, but don't forget about the real pictures are your parts take shape in the physical world.

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Philip Ian Haasnoot wrote 06/18/2014 at 02:44 point
Thank you for the comment Adam. I think it is funny you should mention bringing our designs into the physical world as it is precisely what we began doing today. Corey and I have extensive backgrounds in manufacturing and the equipment necessary to fabricate the TOME in our personal inventory. Please keep up to date on our project, the cadence will be dramatically increasing very shortly.

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