FAN,
IMPELLER DIAMETER H14 ACCORDING TO DS/EN 20286-2,
WITH BORE TOLERANCE H7 FOR BORES UP TO Ø48MM,
G7 FOR BORES FROM Ø55MM & H8 FOR FLANGE BORES ACCORDING TO DS/EN 20286-2

The impact of the 4D printer on the international market
The most obvious advantage of 4D printing is that objects larger than printers can be printed as just one part. Because they can shrink and unfold, items that are too large to fit in a printer can be compressed and then become full size.