Category Archives: CNC/3D-printing

Turning a bottle into filament

This was one of the earlier (last year) designs for turning a bottle into filament. Just got around to reading it now. https://hackaday.com/2022/04/28/recycling-plastic-into-filament/

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Nice portable windpower

Its a small portable windpower device that charges up a portable battery to use at any given point in time. Downside is the 3D printed parts could degrade overtime outside. Would be nice if there was a commercial (cheap) version … Continue reading

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3D printed servo

Interesting build for a geared DC motor to be used as a even more geared servo. https://www.instructables.com/3D-Printed-Servo-Motor/

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Making a simple variable capacitor

Clever build with 3D printed parts and some PCB boards. Good way to teach variable capacitance to folks. https://hackaday.com/2022/03/07/a-variable-capacitor-for-not-a-lot/

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Convert your cheap CNC to a plotter

Pretty much adding a drawing attachment to a 3018 CNC (which I think runs around $200). Not a bad idea to multi purpose the CNC. https://www.instructables.com/CNC-3018-Cutting-Plotter-with-Workflow/

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Cheap 2 servo plotter

Interesting build using a couple of servo’s and drawer slides. Seems to work OK too (Oh an arduino as the controller https://www.instructables.com/Two-Servo-and-Drawer-Rail-Pen-Plotter/

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Make a portable wind power device

Nice build, not so sure I would use 3D printed material (sun and weather not kind to this stuff) but still a nice build for a simple wind power generator https://www.instructables.com/HOW-TO-MAKE-a-PORTABLE-WIND-TURBINE/

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Make killing bugs a game

This one is a bit crazy, the author basically modified an electric bug swatter to keep things like a kill count. https://www.instructables.com/Ultimate-Mosquito-Swatter-Mod-for-Gamer-Add-Kill-C/

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Nice CNC build for cutting out of foam

gives me some ideas for converting old 3D printers that have seen better days. Something to think about anyways. https://makezine.com/article/digital-fabrication/building-a-four-axis-foam-cutter-from-hardware-store-parts/

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Cool CNC engraver using Solar

Nice build, the author has 2 issues, 1 it takes a long time to engrave, 2 once done you need to close off the lense so you don’t keep burning. Since lasers are some of the most expensive bit for … Continue reading

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