Thingiverse
Penstruder Full color ABS, PLS printing head project by Virtuabotix
by Thingiverse
Last crawled date: 2 years, 12 months ago
Update Designs for the printable Marker have been successfully printed and are now being fine tuned while I come up with the most economical way of cutting custom felt tips the marker thing can be found at this link http://www.thingiverse.com/thing:5592 .
This project was inspired by this thing: http://www.thingiverse.com/thing:5570
Which truly proved the concept behind this hopefully soon to be reality full color printer head for any plastic extruder.
For the moment this is just concept art, but I wanted to share it while all the wheels are still turning. I have several other concepts, but these two are the most refined so far. I will be heading out to get an idea of the most economical way to move forward in just a moment.
So here is the concept, I will be designing nib heads for either a Four Headed, or a Five Headed coloring mechanism. Right now, I am leaning heavily towards four heads, because it will eliminate some nib proximity issues, and give more room for the drive system I will be designing shortly. (Also the only real reason for a fifth head is either to make one particular color darker, I.E. Black, or to introduce metallic ink which I have never superheated so I don't even know if that is such a good an idea ^-^).
Any ways what I will be doing is either purchasing empty markers, or printing my own marker heads out and designing them around some cheap nib supplier. Then I will either design ink cartridges, or indicator lines on the markers themselves (along with a port that allows for easy ink refills). After that all you have to do is use a cheap ink cartridge refilling kit and lode each cartridge up with Black, Magenta, Yellow, and Cyan ink (standard ink jet ink should be readily available and work).
After I have designed the parts mentioned above I will proceed with the design of the drive system. At the moment I plan to design it around micro servos, the goal of the drive system will be to convert as much of the 180 degrees of motion a servo produces into very fine nib pressure control. Once calibrated it should be possible to produce at least 1049760000 colors if you use a servo with at least control to the nearest 1 degree.
After the drive system is complete I plan on designing an Arduino board that stores the calibration data interfaces with the Makerbot Motherboard (takes g-code commands) and interfaces directly with a computer via USB for calibration, initial versions, and for those who just want to change the color for an entire print, or change colors dynamically as the print proceeds.
------------------------ The Way Forward -------------------------------
So to summarize:
Step one: Design 3D Printable nib head that allows attachment of drive system.
in progress
Step Two: Design printable marker suited for "Penstruder", design in progress see this thing http://www.thingiverse.com/thing:5592
Step three: Design and build drive system that allows 180 degrees to be converted into very precise nib pressure accurate to 1 degree.
Step Four: Design board to control drive system.
Step Five: Design GUI for computer control.
Step Six: Patch Makerbot Motherboard for full integration.
Step Seven: Celebrate Great Success!
This is a huge project, and I will need as much help as I can get. Just think of the awesomeness if we all come together on this though.
I am still waiting for my Thing-O-Matic to arrive, but I will be designing parts in the meantime.
This project was inspired by this thing: http://www.thingiverse.com/thing:5570
Which truly proved the concept behind this hopefully soon to be reality full color printer head for any plastic extruder.
For the moment this is just concept art, but I wanted to share it while all the wheels are still turning. I have several other concepts, but these two are the most refined so far. I will be heading out to get an idea of the most economical way to move forward in just a moment.
So here is the concept, I will be designing nib heads for either a Four Headed, or a Five Headed coloring mechanism. Right now, I am leaning heavily towards four heads, because it will eliminate some nib proximity issues, and give more room for the drive system I will be designing shortly. (Also the only real reason for a fifth head is either to make one particular color darker, I.E. Black, or to introduce metallic ink which I have never superheated so I don't even know if that is such a good an idea ^-^).
Any ways what I will be doing is either purchasing empty markers, or printing my own marker heads out and designing them around some cheap nib supplier. Then I will either design ink cartridges, or indicator lines on the markers themselves (along with a port that allows for easy ink refills). After that all you have to do is use a cheap ink cartridge refilling kit and lode each cartridge up with Black, Magenta, Yellow, and Cyan ink (standard ink jet ink should be readily available and work).
After I have designed the parts mentioned above I will proceed with the design of the drive system. At the moment I plan to design it around micro servos, the goal of the drive system will be to convert as much of the 180 degrees of motion a servo produces into very fine nib pressure control. Once calibrated it should be possible to produce at least 1049760000 colors if you use a servo with at least control to the nearest 1 degree.
After the drive system is complete I plan on designing an Arduino board that stores the calibration data interfaces with the Makerbot Motherboard (takes g-code commands) and interfaces directly with a computer via USB for calibration, initial versions, and for those who just want to change the color for an entire print, or change colors dynamically as the print proceeds.
------------------------ The Way Forward -------------------------------
So to summarize:
Step one: Design 3D Printable nib head that allows attachment of drive system.
in progress
Step Two: Design printable marker suited for "Penstruder", design in progress see this thing http://www.thingiverse.com/thing:5592
Step three: Design and build drive system that allows 180 degrees to be converted into very precise nib pressure accurate to 1 degree.
Step Four: Design board to control drive system.
Step Five: Design GUI for computer control.
Step Six: Patch Makerbot Motherboard for full integration.
Step Seven: Celebrate Great Success!
This is a huge project, and I will need as much help as I can get. Just think of the awesomeness if we all come together on this though.
I am still waiting for my Thing-O-Matic to arrive, but I will be designing parts in the meantime.
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