2. Print on A4 sized yellow card paper.
3. Cut along the dashed lines.
4. Apply glue on the grey areas.
5. Fold and stick.
6. Hang on door knob.
7. Remove the hook completely to use as a table-top sign.
http://kingdumb.tumblr.com/post/16765102849/diy-door-sign-hanger
Caution Cone Ver2.4.pdf201 KB































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I created the artworks on Adobe Illustrator. Initially I was thinking of using a 3d software to model it for a 3d printer but I guess found a simple, cheap way to do it - Print, fold, stick.
The picture below shows one of the prototypes. A beauty, nonetheless.
I am going to make one tomorrow.
Have you thought of adding a flashing LED?