Thingiverse
MakeNub Builder by Mrrocketman
by Thingiverse
Last crawled date: 3 years ago
Update: I have now made this and it sucks haha. Don't make it. 608 bearings on tslot might maybe possibly kinda work if you're lucky but it just mostly sucks.
A CNC, a 3D Printer, a whatever-the-heck-you-want-it-to-be-machine. A full 12†x 12†x 12†of build/cut volume. This is over 3x the build volume of Ultimaker, over 5x of RepRap, and over 30x the build volume of a Thing-O-Matic!! Not to mention way stronger!
So I’ve been working on this for about a month straight now. I’ve designed it from the ground it. I wanted CNC capabilities and a large build area without the gigantic costs associated with CNC machines. CNC machines have to be much more rigid than 3D printers because of the forces involved. As such, 1†TSLOT is used as the main structural component. Preliminary calculations show that you should be able to use anywhere from a 4-14 lb toolhead before getting 0.001†flex on the TSLOT.
Any Tool up to 4.25†in diameter can be placed in the machine while still retaining the full 12â€x12â€x12†build area. A Router, Dremel, 3D Print Head, Pen. You name it.
I have designed this around using belts for the X and Y movement and threaded rod with 2 steppers for the Z. I feel pretty good about using belts but I made it easy to swap out the belts with #25 chain pretty easy. Just a couple part changes and some sprockets instead of the printed pulleys would be required. Along with about $50 extra :)
Preliminary cost estimates puts the full machine with electronics, power supply, stepper motors, TSLOT, Nuts and Bolts and Everything but the RP parts at $759. Throw in the couple pounds of RP this will probably take along with shipping costs and we’re probably looking at $800 - $850.
All TSLOT is custom cut to length by my local TSLOT distributor. And they claim 0.01†cutting tolerance which is what the machine is designed for.
All Acrylic Sheets are made to be ordered from Ponoko. I’ve included the svg files for those parts.
All RP parts are meant to be printed on a RepRap or bigger. Sorry MakerBot users. Maybe in the future. I have a MakerBot as well but I much prefer my RepRap! And I’ve designed everything around 0.01†tolerances so if your machine ain’t calibrated, it’s time to calibrate!
Designed to use standard RAMPS electronics and 4 pololu stepper drivers.
I’ve also included a cost breakdown spreadsheet along with all the links to the Vitamins.
There are 98 RP parts to this monster. You heard me, 98! Some are pretty huge, and some will require loads of support material. We’re talking mega printing time.
In the pictures show here’s what the different colored parts represent:
Yellow - RP (3D Printed - PLA)
Green - TSLOT
Red - Aluminum
Black - Nuts and Bolts and the likes
Blue - Acrylic
MakeNub is the name of the website I'm starting to work on. Basically github for OSHW only better. Development process tracking, publishing, and selling are the main 3 points. If anybody is interested in helping with that project or lives close to Ogden, UT and wants to start a hackerspace, please get in touch!!
MakeNub Builder.zip contains all of the files
Build Files.zip contains all stl’s, svg’s, etc
Please comment!!
A CNC, a 3D Printer, a whatever-the-heck-you-want-it-to-be-machine. A full 12†x 12†x 12†of build/cut volume. This is over 3x the build volume of Ultimaker, over 5x of RepRap, and over 30x the build volume of a Thing-O-Matic!! Not to mention way stronger!
So I’ve been working on this for about a month straight now. I’ve designed it from the ground it. I wanted CNC capabilities and a large build area without the gigantic costs associated with CNC machines. CNC machines have to be much more rigid than 3D printers because of the forces involved. As such, 1†TSLOT is used as the main structural component. Preliminary calculations show that you should be able to use anywhere from a 4-14 lb toolhead before getting 0.001†flex on the TSLOT.
Any Tool up to 4.25†in diameter can be placed in the machine while still retaining the full 12â€x12â€x12†build area. A Router, Dremel, 3D Print Head, Pen. You name it.
I have designed this around using belts for the X and Y movement and threaded rod with 2 steppers for the Z. I feel pretty good about using belts but I made it easy to swap out the belts with #25 chain pretty easy. Just a couple part changes and some sprockets instead of the printed pulleys would be required. Along with about $50 extra :)
Preliminary cost estimates puts the full machine with electronics, power supply, stepper motors, TSLOT, Nuts and Bolts and Everything but the RP parts at $759. Throw in the couple pounds of RP this will probably take along with shipping costs and we’re probably looking at $800 - $850.
All TSLOT is custom cut to length by my local TSLOT distributor. And they claim 0.01†cutting tolerance which is what the machine is designed for.
All Acrylic Sheets are made to be ordered from Ponoko. I’ve included the svg files for those parts.
All RP parts are meant to be printed on a RepRap or bigger. Sorry MakerBot users. Maybe in the future. I have a MakerBot as well but I much prefer my RepRap! And I’ve designed everything around 0.01†tolerances so if your machine ain’t calibrated, it’s time to calibrate!
Designed to use standard RAMPS electronics and 4 pololu stepper drivers.
I’ve also included a cost breakdown spreadsheet along with all the links to the Vitamins.
There are 98 RP parts to this monster. You heard me, 98! Some are pretty huge, and some will require loads of support material. We’re talking mega printing time.
In the pictures show here’s what the different colored parts represent:
Yellow - RP (3D Printed - PLA)
Green - TSLOT
Red - Aluminum
Black - Nuts and Bolts and the likes
Blue - Acrylic
MakeNub is the name of the website I'm starting to work on. Basically github for OSHW only better. Development process tracking, publishing, and selling are the main 3 points. If anybody is interested in helping with that project or lives close to Ogden, UT and wants to start a hackerspace, please get in touch!!
MakeNub Builder.zip contains all of the files
Build Files.zip contains all stl’s, svg’s, etc
Please comment!!
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