Leaving your trace


studio gelardi, bikes, chalk, contrail, design, cities

Sometimes an image says a thousand words and I love this idea for:

a. simple private use, just for fun

b. To use it for a documentary/ advert in a specific area, with a group of local cyclists involved to highlight how much space could/should be devoted to cyclists!

* Rain dependant – it could even brighten up the streets for a day or two (this could decrease to an hour or two in scotland!)

This design concept ‘Contrail’ was created by Studio Gelardi for a Design 21 Brief . They discuss their aims in the passage below:

As you ride, contrail leaves a faint chalk line behind your bike. The goal is to encourage… participation by allowing the biking community to leave a unique mark on the road and to reclaim this crucial shared space.

The new cycle: A few bicyclists ride with contrail a couple times per week → faint lines on the road inspire curiosity and remind bikers where it’s safe to ride → new bikers are encouraged to ride and use contrail → contrail lines get brighter as community grows.

Consequently, after I read a number of positive and negative comments discussing the idea,  I still like it. I am unsure if it would be practical for longterm use.

I came across this idea on the MAKE Technology Your Time Blog where it was actually featured about 1 year ago now.. but I think it is still fresh 🙂


2 Responses to “Leaving your trace”

  1. That strikes me as being a really fun idea! Hey if it only lasts a short time is that really such a bad thing?

  2. I really love this idea!
    I find this poetic, you can see a rainbow in the street, and as soon as it rains, it disappear and let a new “black board” to start again.
    I would like to have this on my bicycle and change the colour regularly!

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