You can nominate as many designs as you'd like, and it's completely free of charge. After registering or logging in at the bottom of the page, you can submit your nomination or save it as a draft.
If you have any questions regarding whether a design qualifies to be nominated, you can read the rules here.
Are you nominating your own project?
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What's the name of the design?
* 0/50
What is the design in a nutshell?
* 0/100
How does it work?
* 0/1000
Why is it needed?
* 0/1000
How does the design improve life?
* 0/1000
Keywords
* 0/5
What category is it?
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What SDGs and DTIL goals is the design addressing?
* 0/5
Where is the design from?
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Who's the designer?
* 0/100
Website
* 0/500