Trebuchet Business Card - Trebucard

by clide, published

Trebuchet Business Card - Trebucard by clide Feb 27, 2012


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The Trebucard is a business card sized mini trebuchet. It is designed to fire jumbo paper clips and uses 16 pennies as a counter-weight. Unlike a traditional trebuchet the Trebucard uses the surface it is resting on as a pivot rather than being mounted on a frame.

Demonstration video here: http://www.youtube.com/watch?v=J6SAxqjxHYk

I have another version that is more optimized for performance and doesn't require you to tape the pennies together, but it is more fragile. I'll try to post that in a few days.


Making instructions here: http://www.youtube.com/watch?v=FlyutldS_44
Non-video step-by-step instructions: http://www.instructables.com/id/Trebuchet-business-card-Trebucard/
Operating instructions here: http://www.youtube.com/watch?v=0lG0HFNvadE

Use a sturdy material like poster-board or the thin cardboard commonly used for product packaging. Then simply print/transfer the design onto the material and cut it out by hand or use a laser cutter if you have one.

The dotted lines are folds and don't need to be cut.

The counter-weights are made by wrapping a stack of 8 pennies with tape and you need two of the counterweights for one card. If you don't have US pennies then other coins will probably work, just find a small coin that fits well in those cutout areas and stack however many it takes to get a firm fit.

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i made one but it doesn't go only up if im lucky

The size and shape of the tab on the back is important for the flight trajectory, so that is one part that has to be very accurately cut. Also the size of the paperclip matters, maybe try to bend the paperclip around to different sizes and experiment. If it is going straight up then I would start by trying to make the loop on the paperclip a little smaller. Also a smooth and non-grippy surface like a desktop is the easiest type of surface to operate it on.

Hope you can get it working.

Yes, if you can't make your own then you can buy them on my website. http://cardnetics.com/index.php?main_page=product_infohttp://cardnetics.com/index.ph...

do you have a version for sale??? kind of mechanically challenged !!!

Could you also include the template with your insctructions on the back?

Added one with the instructions on it.