We have put this website online to spread the following idea:

If all people in public places wear respirators, the spread of SARS-CoV-2 can be slowed down. And because medical masks really belong in medicine, we want to encourage and guide people to make their own masks.

If you have questions or want to help, please contact us here.


Christiane Stenger and Friedemann Karig

Information according to § 5 TMG

10drei e.V.

post office box 10 06 06

80080 Munich

The association is represented by: Christiane Stenger

Contact email: [email protected]

Responsible for the content of this website according to § 55 Abs. 2 RStV is:tbr

Friedemann Karig, can be reached via

10drei e.V.

post office box 10 06 06

80080 Munich

[email protected]

Liability for contents

As a service provider, we are responsible for our own content on these pages according to § 7 para.1 TMG (German Telemedia Act) and general laws. According to §§ 8 to 10 TMG, we are not obliged to monitor transmitted or stored information from third parties or, under certain circumstances, to make changes to it.

research that indicates illegal activity.

Obligations to remove or block the use of information according to general laws remain unaffected. However, liability in this respect is only possible from the time of knowledge of a concrete infringement. If we become aware of any such legal infringements, we will remove the content in question immediately.

Liability for links

Our offer contains links to external websites of third parties, on whose contents we have no influence.

Therefore we cannot assume any liability for these external contents. The respective provider or operator of the sites is always responsible for the contents of the linked sites. The linked pages were checked for possible legal violations at the time of linking.

Illegal contents were not identified at the time of linking.

However, a permanent control of the contents of the linked pages is not reasonable without concrete evidence of a violation of the law. If we become aware of any infringements, we will remove such links immediately.


The contents and works on these pages created by the site operators are subject to German copyright law. The reproduction, editing, distribution and any kind of use outside the limits of copyright law require the written consent of the respective author or creator. Downloads and copies of these pages are only permitted for private, non-commercial use.

Insofar as the content on this site was not created by the operator, the copyrights of third parties are observed.

In particular, third-party content is identified as such. Should you nevertheless become aware of a copyright infringement, please inform us accordingly. If we become aware of any infringements, we will remove such contents immediately.

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