This is a "filter" for when you roll your joints. It will not actually filter any smoke, but it will keep it having good airflow.
Version 2 protects your mouth from debris. Air drag is increased because of the "filtering" action of the new model.
Enjoy!
Warning: Don't print in ABS as it is toxic when incinerated. Print with PLA.
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Joint Filter
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You can distribute, remix, adapt, and build upon the material in any medium or format for noncommercial purposes only, with attribution and under the same license.
Licensed under CC BY-NC-SA
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