diff --git a/README.md b/README.md
index c4fbed4..b94f7cd 100644
--- a/README.md
+++ b/README.md
@@ -11,16 +11,22 @@ The folder `scad` contains all `.scad` files.
The folder `stl` contain all `.stl` files, including those for animal ear headbands with standard settings.
- The folder `test` contains `.stl` files for test prints.
+## Model settings
+
+### dogears
+
+In the file `dogears.scad` one can specify how floppy each ear should be.
+
## Print settings
### catears
-It's recommended to print the catears using **PETG**.
+It's recommended to print the catears using **PETG** and a **perimeter of 3** (such that the headband is solid).
### dogears
-It's recommended to print the dogears using **PETG**. Due to the details needed for the hinges in the dogears to work as well as their small size, it's recommended to print the dogears with a **layer height of 0.25mm or less**. Using a **perimeter of 3mm** and **infill of 0%** one can reduce weight while keeping the ears stable. One can print the **tips of the ears with an infill of 90%** to make the ears stay low.
+It's recommended to print the dogears using **PETG**. Due to the details needed for the hinges in the dogears to work as well as their small size, it's recommended to print the dogears with a **layer height of 0.25mm or less**. Using a **perimeter of 3** (such that the headband is solid) and **infill of 15%** one can reduce weight while keeping the ears stable. One can print the **tips of the ears with an infill of 90%** to make the ears stay low.
## License
-This work is licensed under CC BY-SA 4.0

\ No newline at end of file
+This work is licensed under CC BY-SA 4.0
