La plate-forme collaborative de bricolages scientifiques et pédagogiques

Réalisation

  • Etape 1

    Cover the inside of the umbrella with small strips of aluminium tape.

     

    Pass the strips under the umbrella stretchers from the outer edge towards the inside.

     

    Ensure that the strips overlap slightly in order to obtain a uniformly shiny surface.


    Taille originale

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