Cold freeze spray shield
thingiverse
The red tube that from MG Chemicals Super Cold 134 is 2.5mm OD. This fit on the first try. It is hard to get the tube to dispense where you want and not expose sensitive tissues. I made this and it appears to work well. I personally use this for skin anomalies such as skin tags and warts. it appears to work so well that I put it here. Use at your own risk. Seek a Doctor first. Follow the Doctors advice.
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