| 摘要 |
The device includes a perforated medium in which are inserted, in the form of a linear puzzle, contour elements with double-face spigots or with holding rods, intended to form a closed shape into which the substance to be moulded is introduced, the volume being obtained by the turning-over, after a first moulding stage, of the previously quoted assembly. Teaching, artistic, industrial applications. <IMAGE>
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