I planned on writing an entry about burning bootloaders and updating the firmware, but I just realized my kit comes ready to go! Yay! This is a major advantage to purchasing the Generation 3 Electronics kit. If you’re making you own boards, be sure to check out these detailed instructions on burning bootloaders and updating firmware before going any further.

Here’s the description of the Generation 3 Electronics kit [Mostly Assembled]:

This is a kit of mostly assembled electronics. All of the hard stuff is taken care of for you, and the only soldering that remains is the opto endstops which are very simple (only through hole components, no SMT). The stepper drivers, extruder controller, and motherboard all come fully assembled and ready to use. The extruder controller and motherboard have been pre-programmed with the MakerBot firmware and Arduino bootloader.

I know, I know, it’s been a while since my last entry, and I apologize. The truth is, I was a bit under the weather last week, and my CupCake CNC kit had to sit and wait patiently for me to recover. The good news is, I’m feeling much better now and am super motivated to start printing parts! The next entry will be packed with CupCake building goodness. Promise!

Next up, making the pulleys and enclosure. As you can see, I chose a butchers wax finish. It’s nontoxic, and nonflammable, which makes documenting it in my studio a lot easier. Also, it preserves the beauty of the wood, including the laser burns! Besides, if I don’t like it, I can always cut out a new enclosure.

Ask questions! Do you want to see a better picture of a particular part, a different camera angle, a video perhaps? Maybe you have a suggestion for a cool mod or hack? Let me know in the comments. I’ll try to answer them as best as I can. Thanks!

Build history:

Having just arrived home from a quick trip to the hardware store, I was pleasantly surprised to see a large, unmarked, cardboard box sitting on my front steps. This isn’t an uncommon event, since I am constantly checking out cool products and projects for the Maker Shed, however this box was a bit larger than normal.

Oh wow, it’s the CupCake CNC kit from MakerBot Industries! I’d ordered it weeks earlier and had completely forgotten about it. (The truth is out: I have an atrocious memory, sad but true.)



And so the adventure begins! I’m going to document my “out of box experience” with a MakerBot. How many posts will the series be? I’m not sure since I’ve never built one. How often will I post about the build? Again, not sure, but I’ll try to do at least one a week, maybe more, it all depends on how much free time I have between all my other maker-ly projects.

A little background: My CNC experiences



I’ve been tinkering with CNC for about 10 years, and consider myself an enthusiast, not an expert. I do own a few CNC mills, routers, and lathes. I have retrofitted old mills, and even build one from scratch. Pictured above is my mobile CNC machine, dubbed the “MobileC.” I stuffed all the components into a mobile tool cart so I could bring it to hackerspaces, workshops, and events, all in the hopes of helping out fellow makers.




The mill is a Sherline 5400 that I retrofitted for CNC. Also, I added a few extra parts to make it even more useful. It has a longer reach, thanks to the headstock spacer block on the column, and a larger table that I simply mounted to the stock table. It’s a sweet machine. I love my little Sherline!



All the electronics are housed in the cart too! There is a 19″ LCD monitor, wireless keyboard and mouse, desktop computer, and CNC controller. It’s a tight fit, but it works perfectly. There is even an extra full-size drawer for tooling and accessories.



I’m thinking of replacing the computer, keyboard, and mouse with an HP TouchSmart, but I have to save a few more pennies for that upgrade.

Does anyone want to know more about my MobileC? Let me know in the comments. After I build my CupCake CNC, maybe I should do a series of articles on CNC machining?

Disclosure:

I purchased the CupCake CNC kit with my own hard-earned cash. I waited several weeks for it to arrive, just like everyone else that placed an order. No favors, no freebies! Why did I buy one? Well, for two reasons.

• Reason #1 – I like what MakerBot Industries is doing for the open source community and open manufacturing, so I wanted to support them!
• Reason #2 – I am going to document the build for Make: Online, and if I like it, I’ll let you know, and if I don’t… well, I’ll let you know that too! No biased reviews here.
• Reason #3 – I am a CNC junkie, and I had to have it, even if my wife was questioning whether I really needed another machine in my studio! “Ha!” I said, “You can never have too many machines!” Oops, only two reasons, right?!

Questions & suggestions:

Ask questions! Do you want to see a better picture of a particular part, a different camera angle, a video perhaps? Maybe you have a suggestion for a cool mod or a hack? Let me know in the comments. I’ll try to answer all of them as best as I can. Thanks!

Build history:

• Part 1: Introduction & background
• Part 2: Unboxing
• Part 3: Electronics
• Part 4: Update & burning the bootloaders
• Part 5: Pulley & enclosure finishing
• Part 6: Building the enclosure
• Part 7: Building the Y-stage and adjusting the Z-stage
• Part 8: Building the X stage
• Part 9: Installing the X & Y stages
• Part 10: Building and installing the Z stage
• Part 11: Building the plastruder & testing
• Part 12: Installing the electronics & software
• Part 13: First print!

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