Frequently Asked Questions
Currently, all complete Bukobot kits will include the "BUDASCHNOZZLE 1.1" hot end and a custom filament feeder to work with this nozzle using a powerful geared stepper motor. I'm using this extruder because from my tests, it seems to be the best one out there. It's very reliable, fast, simple to install, easy to clean, easy to change nozzle size and no weird glues or chemicals.
The Bukobots are designed to work with 3mm sized filament, but you can change this to 1.75mm filament later with some minor extra parts.Last updated:
I'm am still determining the exact power supply needed for each of the models, but I will not be using cheap "computer" power supplies because they are not designed to handle the needs of a fast and strong 3D printer. The power supply included will be more reliable and have more than enough capacity needed to run the Bukobots. They will also be 110v and 220v compatible and is commonly found online if you ever needed to replace it for some reason.Last updated:
Calibration is very easy because the Bukobots will come ready with "default" presets to get you started and should be accurate for most situations. In addition to publishing the values on our site, the included firmware will have the exact settings needed for all axis (X, Y & Z) and a very good value for the extruder. Depending on the quality of the filament, you will only need some minor adjustments to the values in the software to compensate varying sizes in filament stock. Calibration will also be explained in the instructions (that I will be creating) not just to help you understand how you printer works, but how to adjust things if they seem to be off or if you want to change something. All settings are easily done through software.Last updated:
All software included with the Bukobots will be open source based, so you will have a huge community of users and developers as an added resource.
Bukobots will have the "Marlin" (https://github.com/ErikZalm/Marlin) firmware pre-installed. This firmware is compatible with many "Reprap" controller softwares.
I will be using the program "Repetier-Host" (https://github.com/repetier/Repetier-Host) to walk you through the process of printing 3D objects in the instructions because it's has the best features and is easy to use. This program works on Mac, Windows and even Linux.Last updated:
Currently, I have a special deal with Panucatt Devices to include their Azteeg X1 and soon to come X3 boards for the Bukobot electronics. If you want to see the specs, check out the page at http://www.panucatt.com/azteeg_X1_reprap_3d_printer_controller_p/ax13dp.htm.Last updated:
Yes, absolutely! Actually, Sketch Up is extremely popular with 3D printing.
The main "bridge" between a 3D program and the printer is the "host" program (which controls the printer). These host programs usually use Skeinforge or Slic3r to "slice" 3D objects into a "tool path" to print the 3D object. Currently, skeinforge and slic3r read the very common "STL" and "OBJ" type of 3D files (and some other types too). So any program, including Sketch Up, that outputs to one of these formats should work just fine. Most high end 3D programs (AutoCAD, Solidworks..etc) also have ways to produce STL files, sometimes with just a simple plugin.
Here is more info on these two "slicing" apps:
This is a quick list of other popular 3D programs that can produce STL or OBJ files, and are Free:
Absolutely! This is what open source is all about. If this Bukobot project is successful and later down the line I make some improvements or modifications to a model that you have, you will most likely just need to download the new designs and print out them out to install them.Last updated:
After this project is successful, I will be offering simple "upgrade" kits for those that want dual extruders. The upgrade kits will include the dual extruder X-carriage, an additional motor, hot end, the extra hardware and optionally new aluminum beams and rods to widen the frame.Last updated:
The rough specs for Bukobots (as they stand right now but can change later) are these:
Extruder nozzle size: 0.35mm
Filament Dia: 3mm
Z layer height tested (so far) : 0.1mm
X & Y axis precision: approx. 846 micro-steps per mm
Motors are Nema 17 (1.8 degree, 1/16 microstepping) and at least 4Kg-CM holding torque.Last updated:
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