Scout: A printable tribot

Here’s the first iteration of ‘Scout’.  A simple printable frame for a robot based on two continuous rotation servos and an Arduino. The idea was to limit the number of printable parts and ‘vitamins’ to the bare minimum and keep the total cost for the bot below $50.  I’ll use this to teach the robotics…

Test Cubes

The reports of the demise of the test cube are, perhaps, premature.  I’ve read people saying that new firmwares and versions of Skeinforge make test cubes unnecessary, but I’m not buying it just yet.  To be sure, one can get a lot closer to a usable print quickly, but there’s still plenty of room to screw…

Mendel Heated Bed

I’ve been struggling for months to get my “Sells” Mendel working reliably.  The mechanicals have been solid for a long time, but I’ve had flaky problems with the electronics and extruder all along. I finally broke down and replaced the Gen3 electronics with a RAMPS board and after working through some issues, it finally seems…

Bad Idea

It’s Pinewood Derby season again and I kinda enjoy making derby cars.  This year, my youngest son and I made an awesome car for his bear den division.  It came out great and I’ll do a blog post on that one as soon as I get some good pictures. We also have an ‘open’ class…