by Plattekerre, published
This is a model of a stretcher used on rescue helicopters. The first file is scale 1:1. The other files are 1:48 and 1:72.
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i print them with 0.2 mm layer and 100% infill (there's not much to fill in) for extra strength. I don't know if it helps at all in the small sizes. Will upload pictures later.