M3-S Respiratory Mask
Description
M3-S is a unibody, large-filter respiratory mask specially designed for 3D printing. MAIN FEATURES - 2.3 x respiratory gain regarding M3 Mask - Easy to print, without support material or raft - Easy to clean, with a hydro-alcoholic solution or soap. Temperatures above 70 ° C can affect the structure and the shape of the mask and cause damage to its effectiveness - Tightness of contact with the face, which improves its effectiveness to prevent particles and aerosols to flow though the mouth or nose - Replaceable filter (SMS, or SMMS polypropylene highly recommended like surgerycal mask or non-woven vacuum cleanner bag, do not use paper or clothing as filter). A cutting guide is provided with the model. The filter is locked with the cap inside the mask. - Curved shape that detaches the mouth and nose from the filtering surface of the mask - Only 35g ALERT - This mask is not a medical device and is not suitable for people suffering of breathing illness. Because of the decrease of air flow due to filter, this mask is not recommended in case of sports activities or high effort. PRINTING & ASSEMBLY PROCESS - First print the main part together with the cap and the head-clip (optional) at a minimal resolution of 200 µm (0.2 mm) with a flex material. Align filter grid to the printer plateform. - Secondly print the cutting guide, a resolution of 300 or 400 µm should be enough. - Wear clean gloves or wash your hands and cut the filter - Put the filter on the grid inside the mask - Lock filter with the cap SIZE GUIDE - Print sizes recommendation : S – 100% (reference, cheeks width ~10 cm) , M – 114%, L – 128%. - You can also measure width between your cheeks and consequently adjust the size of the model.
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