Category Archives: CNC/3D-printing

Interesting concrete build

The author did a nice write up on using concrete overall for making decorations.  He 3D printed the “Frame” to use to hold the concrete in its form.  It looks like the mold is re-usable too. https://www.instructables.com/id/3D-Printed-Concrete-Table-Mold/

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One fancy slingshot build

Pretty impressive one.  The author provides templates so you can cut one out yourself.  Or….maybe convert to cut on a CNC? https://www.instructables.com/id/DIY-SlingBow-From-Plywood/

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3D printed pump for NEMA based motors

Interesting pump build to use with a NEMA motor (typically stepper motors).  If you need some sort of pump that does measured amounts this could be the way to go. The Bolt-On Peristaltic Pump  

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Make a tuning CAP

pretty neat idea, the author takes some washers and makes a tuning capacitor from them (with some 3D printed parts).  Pretty clever build DIY Tuning Capacitors from Washers and 3D-Printed Parts

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Turn a cheap rubber mallet into a stamp

Nice idea, I think I saw a few of these at the dollar store.  I like how the author uses a CNC to cut the stamp out.  He even remakes a handle for it (not sure why he didn’t use … Continue reading

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Drawbot with RPi only

I like this build over ones from years past, looks like $100 in materials?  Its come a long way and now it does not even need an arduino to control the motors, instead everything goes thru a RPi Zero. https://www.instructables.com/id/Drawbot/

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A nice etch a sketch build

I like this build, the author with 2 steppers, an RPi, build this to draw pictures on an etch-a-sketch, could be a good way to into for kids into CNC or robotics. Bot Makes Etch A Sketch Art In One … Continue reading

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I want one, Badge based CNC

The author basically made a portable CNC badge.  The source/CNC bits have not been posted yet, suppose to be in October and the author figures it will cost 10-12 dollars in materials to make.  This is something I will try … Continue reading

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3D print a radius gauge

OK this is handy, you can use this to get the radius of a circle with a caliper.  Its going on my list of things to print. 3D Printed Radius Gauge, Just Add Calipers (And A Wee Bit Of Math) … Continue reading

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Make your own Legend of Zelda night light

I like this build.  Now given alot of the cutout is done with a Laser CNC, there is still alot to do.  You have to build the internal glass frame, glue all the inside wooden parts to it, etc etc. … Continue reading

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