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Octoprint and Reverse Proxies

I have two active 3D printers, each hooked up to their own Raspberry Pi 3 running Octoprint. I like to manage them from my iPhone when I’m about. I don’t want to expose my IoT devices to the Internet without some precautions. Here’s how my Internet connected house is setup. […]

New Kossel 3D printer

I’ve had my Monoprice Duplicator v2 for almost 2 years and it developed some problems. The firmware lacked safety features I wanted. I could have (maybe) updated the code but I’m not sure how many features would fit. The board on it is an old Melzi clone and I would […]

Time-lapse 3D printer videos

I have two 3D printers and each has a webcam. I use Octopi (Octoprint on a Rasberry Pi) and can stop bad prints from my smartphone if I need to. Some materials are difficult to print and hours into it I can cancel the print job. I tried attaching the […]

Wildcard certs via Let’s Encrypt

I just reduced 14 Let's Encrypt certificates down to 2. This is possible because the free service went live for wildcard certs. This has great implications for people who use the WordPress Multisite feature or routinely light up new virtual hosts in the same domain. You can read Let's Encrypt's […]

Prusa MMU for the MK2s

Sample multi-color prints

I think I can call the multi-material upgrade of my Prusa Original i3 Mk2s a success. It took me about a day to put together and another day of tuning but I like the results and the prints look good. Here's what you get with the upgrade kit. A new […]