#0209 Invisalign retainer / braces / night guard case

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Why I designed my own retainer case:

1. Most of the ones I found are too big or bulky - I'm publishing 3 different sizes to suit more diverse needs.

2. I wanted to install magnets but the cases on Printables mostly used 4 magnets - I think this is a waste and not necessary for a simple case like this.

3. The designers only published cases for a specific magnet size in .stl format only, which makes it not convenient to customize the design to use the neodymium magnets that I have.

4. I shared the .stp files so you can customize to your needs and customize to the magnets you have on hand.

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Key Features:

1. It's a fast print - under 60 minutes for the 80mm size.

2. Smaller so it's easier to fit in your pocket.

3. Three sizes available.

1. The two halves are identical - just thread a filament thru the hinges for a sturdy hinge pivot.

2. Can be customized with slicer modifiers to add ventilation if so desired.

3. No supports needed.

4. .STP files are attached so you can customize to your needs, or to fit the magnets that you have on hand.

Printing Recommendations:

1. Print using PETG or ABS.  PLA not recommended - you should anticipate some rough handling from everyday uses.

2.  0.2mm layers and 2 vertical walls work great.

3.  To add ventilation to the case from your slicer:

   1. Click on one instance (there should be 2 instances on the print plate): right click > Set as Separated Objects (in Prusaslicer - your slicer may call this something else).

   2. Activate on part, then use Add > Modifier > Cylinder and place it where you want it.

   3. Add parameters: top layer count, bottom layer count.

   4. Set both top and bottom layer count to zero to force the cylinder to be infill only.

   5. Select the infill pattern and percentage of your choice.

   6. Select infill pattern angle that looks good to you.

   7. Slice and print - that's it!
      

Hinge Assembly Instructions:

1. Chase the hinge hole with 2mm drill bit if needed.

2. Use a 1.75mm diameter filament segment to act as hinge.

3. Use lighter or mini torch to heat up one end, and press it against a flat surface to create a "nail head".

4. Thread the filament segment through each hinge (recommend from the inside edge outward.)

5. Trim excess filament to have 1.5mm remaining, 

6. Heat up the exposed filament and press it flat like a "nail head".
   

Neodymium Magnets:

1. Designed for 5mm diameter x 2.7mm thick neodymium magnets (quantity 2 pcs).

2. Press fit it place or apply a small dab of super glue (CA glue).

3. Pay attention to magnet polarity to ensure that they are attracting as opposed to repelling each other.

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If you add this to your collection and/or download the model, please >click< the LIKE button and give it some STARS!

Remember, you can earn some Prusameters if you post a pic of your make!  Plus, it would make my day to see it. ;-D

Happy Printing!

P.S. Please post some constructive feedback if you'd like to see something improved.