You just got a 3D printer – now what?

With the holiday season upon us, and the availability of 3D printers increasing, we have reached the year that many people will be getting or building a 3D printer and then wondering what they can do. There are two main ways to get things for your printer to print – you can download them or you can design them. Downloads There are quite a few sites now that host 3D printable models. The first major one is Thingiverse, which is owned by Makerbot (who is owned by Stratasys). Thingiverse had files for 3D priting and for laser cutting. Some models are extremely well made, and print with ease. Other things may not be well designed or could even be impossible to print. A good rule is that if there isn’t a picture of a printed part on the thing’s page, then it’s probably not printable. Also make sure that the printed […]

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New electronics for the makerbot part 2

Here is my makerbot electronics as of Friday. Including the relay board, there are 7 boards involved in running the bot. I finished soldering the proto board to connect my Pro Mega to the Quadstep Friday night. I got everything torn off and installed my new board stack in place. Still some work to do for making it look nice, but it’s already a big improvement. Moving on to the software side, I had a heck of a time getting anything to load from the Arduino environment. After nearly 8 hours of debugging and finally loading the basic blink program via the AVR Isp port (which involved teaching the Arduino environment that my pololu AVR programmer is like an stk500v2), I discovered what was happening. It was toggling the blink Led every 2 seconds instead of 1! I triple checked the fuse settings against various AVR calculators and they were […]

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