translate English to French: Thanks to the two movements polymer invests all internal surfaces of the mould, which once warmed in the oven, melt the polymer that adheres above. In doing so, all the polymer is melted as a powder and the finished piece is created.
Puisque la rotation lent, le polymère couvre pas le moule en raison de la force centrifuge de la rotation, mais seulement parce qu’il fusionne lorsque il touche les parois chaudes du moule.