60 TIRE PATCHES 1.260 IN, 1.654 IN, 2.283 IN, TIRE REPAIR UNIT WITH TIRE PATCH AND TUBES, AUTOMOTIVE REPAIR TOOL

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.