Monthly Archives: December 2010

Draftsight Review – Like AutoCAD, but free!

This article is now officially hosted at: jcopro.net.  This site is no longer updated. As I took a free class on Solidworks two summers ago, I was on the Dassault Systemes mailing list.  Dassault Systemes most famously makes CATIA and … Continue reading

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Posted in SOFTWARE | Tagged , , , , , | 1 Comment

Very simple cornhole toss construction project

So being Christmas time, I heard that someone close to me wanted a cornhole toss game.  This person thought that I could easily build one in my constantly-expanding shop, and casually mentioned to me that it might make a nice … Continue reading

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Posted in Uncategorized | Tagged , , , , | 4 Comments

Illustrate and dimension your projects with GIMP

For those of you that don’t know, GIMP stands for GNU image manipulation program.  It’s free to download and could be compared to Photoshop or an extremely advanced version of paint.  For someone interested in showing off his or her … Continue reading

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Posted in GIMP | Tagged , , , | 3 Comments

How a Pencil Sharpener Became a Drill, or “To Grandmother’s House we Go With no Drill”

A jcopro.net reader who prefers not to register with WordPress but instead writes for Broken Bulb Comedy, submitted the following story about a hack he made.  While at his Grandmother’s house, he needed to install some safety railing, but didn’t … Continue reading

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Posted in TOOLS | Tagged , , , , , | 3 Comments

Pegleg the six-legged (hexapod) robot – part 4 programming and servo control

We’ve gone over how to build a hexapod and how to analyze it’s motion; in this section we review how to actually program this robot.  Although there are probably better options out there (Arduino seems to be a good value … Continue reading

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Posted in ROBOTICS | Tagged , , , , | 2 Comments

Using GIMP to make .gif animated project illustrations

While posting about my hexapod robot Pegleg, there came a point where illustrating the motion was very hard without showing an animation.  Possibly you’ve run into this yourself while trying to illustrate a project.  You could take a video which … Continue reading

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Posted in GIMP | Tagged , , , | 4 Comments

Pegleg the six-legged (hexapod) robot part 3 – Kinematics or “how it walks”

The first question someone would ask when they see a hexapod – especially a 3-servo one – is “how does it walk?”  Today with Youtube, the answer may be a little simpler as you can actually see how they move, … Continue reading

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Posted in ROBOTICS | Tagged , , , , | 2 Comments