Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4256638.

This Face Shield is designed to be printed on the "FormLabs Form 2" or similar Resin Printers. Works as well on small FDM / FFF Printer (~145 x 145 mm bed).

It is very light and fits all head shapes . A rubber band can be added.
The foils are "clear binding covers A4". The crease helps to protect the sides of your face.

Since resins are often more brittle than the thermoplastics for FDM priters, I added a s-curve at the front to absorb bending forces.
Because resin 3d printers are often smaller, this frame clamps on the sides of your head. A string of any sort helps with slipping. 


Face Shield "Form two"

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:3018528.

This is a Twisty-Container aka Twisty-Vase optimized for printing in Vase-mode / spiralized.
I included the Inner Part and two versions for the outer Part. Pick the one matching your nozzle-size (Wall-thickness).
~100mm Diameter and 150mm Hight

If you want to skale, first skale uniformly for the required higth, than X and Y Axes symmetrically. You want to keep the X-width-difference. (for every Shape different; ~2-3mm)

Twisty Container

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4364634.

These are customizable filter holding frames aka caps for the "Reusable Respirator - Dean's task mask"
Link:
https://www.thingiverse.com/thing:4350304

Custom Cap for Reusable Respirator - Dean's task mask

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4256657.

This is a Face Shield that can be printed on any FDM / FFF Printer (~200 x 200 mm bed).
Based on the design of 3dverksan.se 
Its longer than the original to accommodate glasses and long noses .
It is very light and fits all head shapes .
The foils are "clear binding covers A4". The crease helps to protect the sides of your face.

Face Shield 'altered swede'

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:3321192.

Hi, none of the self watering Planter on Thingiverse appealed to me, 
so I design one by myself.
If you are impatient, you can use the Vase_Mode-Version with a big Nozzle.
To keeps the water clean, you should put stones in the inner Planter up to the first edge.

Self Watering Planter

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:3552124.

This is a Test Cube with several Features to test the Capabilities of your Printer and Filament.
Knowing the restrictions of your Printer and Filament will help you design your Things.

Features which are tested: 
- Overhangs between 45° and 85° in 5° steps
- X, Y,  accuracy (20mm + 10mm)
- Z accuracy (20mm)
- Hole accuracy 5, 4, 3, 2mm X-Y-Plane
- Hole accuracy 6mm X-Z-Plane
- bridging 15mm
- bed adhesion for thin features 
- overall Print-quality 
- etc.



Design Decision Cube

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:3652972.

This is a Ventilation System based around a 120 mm PC Fan.
The Attachements can be clipped on. 
You can design your own Attachements by using "4_1_Modular Attachement.stl"
I uploaded a Paint Booth Attachement as an example. 

Modular Air Vent System

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4293629.

This is a Remix of the famous COVID-19 MASK v2. https://www.thingiverse.com/thing:4225667
This "simple cap" replaces the "connector" and "cap" of the original design.
It can be inserted from the outside or inside (I recommend from the outside).
The filter material needs to be bigger than the cap, at least 50 x 50 mm (> 0.3 mm thick) .
The filter itself seals the cap.
I used a anti-allergen vacuum bag as filter. The denser layer should face the wearer. Also the edges shouldn't be exposed to the wearer, because some manufacturers use antimicrobial powders between the layers, which can do warm. *
I mostly recommend ' Sterilization Wrap ', it can supposedly filter down to 0.3 micron (1 micron of vakuum bags), but can be hard to get by non-professionals. 

In the pictures you see me using " Car Door Edge Guard " for better sealing against the face.


*statements of manufacturers: 
Philips: "...have no informations, if materials do warm..."
Militta (swirl): "...don't recommend vacuum cleaner bags for mask making"
Numatic (henry): "...unable to substantiate their effectiveness when used for this purpose..."

All didn't mentioned antimicrobial powders. But could confirm the filtration of 0.3 micron, which is smaller than the particles used for testing N95 or N99 masks (FFP2 FFP3).
Particles smaller 0.6 micron are not considered infectious.


Sources:

Studie for alternative materials: 
https://www.cambridge.org/core/journals/disaster-medicine-and-public-health-preparedness/article/testing-the-efficacy-of-homemade-masks-would-they-protect-in-an-influenza-pandemic/0921A05A69A9419C862FA2F35F819D55

Blog post:
https://smartairfilters.com/en/blog/best-materials-make-diy-face-mask-virus/

Studie don't fully recommend vacuum cleaner bags (german):
https://www.unibw.de/lrt7/stroemungsanalysen-zur-sars-cov-2-schutzmaskendebatte

Swirl don't recommend there products (german): 
https://www.melitta-group.com/de/Statement-der-Melitta-Group-zu-alternativen-Schutzmasken-3605,263.html

sterilization wrap:
https://products.halyardhealth.com/surgical-solutions/sterilization-solutions/sterilization-wraps/halyard-kimguard-one-step-sterilization-wrap.html

Link:https://youtu.be/DZBbkn-g-vE

How hepa works: 
https://www.alencorp.com/blogs/articles/air-purifiers-and-coronavirus



COVID-19 MASK v2 - Simple Cap

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4446165.

This is a 3D version of the #BLM Symbol.
I designed several sizes, but realized scaling has the same result.

100% ~ 50 mm / 2", 2 mm walls
60%   ~ 30 mm/ 1", 1.2 mm walls
200% ~ 100mm / 4", 4 mm walls

It can be put on your collar, sleeve or pocket; Attached on cardboard; or put on your desk.

Maximum overhangs are 60°
PLA works great (PETG maybe better)

Black Lives Matter Badge + Clip

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