diff --git a/docs/stl/atx/index.md b/docs/stl/atx/index.md
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@@ -0,0 +1,7 @@
+# PiKVM v3 ATX mounting brackets 3D printing
+
+A good way to mount an ATX adapter in a computer case is to place it in a PCI slot.
+Here you can get drawings of PCI brackets for 3D printing.
+
+| Variant | Description |
+| <img src="pci_long.jpg" width=200 /> | [This is a standard bracket of common length](pci_long.stl), which will fit most personal computers |
diff --git a/docs/stl/atx/pci_long.jpg b/docs/stl/atx/pci_long.jpg
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diff --git a/docs/stl/v3.2/index.md b/docs/stl/v3.2/index.md
index 26de06bd..a2fe2913 100644
--- a/docs/stl/v3.2/index.md
+++ b/docs/stl/v3.2/index.md
@@ -5,6 +5,9 @@ When printing the case, you can choose the following options:
 * The presence or absence of an OLED screen (used to display the IP address and other information).
 * The presence or absence of holes for the AUM v3.3 (Advanced USB Module, most likely you don't have it).
 
+Also take a look at the [PCI bracket for ATX adapter board](../atx).
+
+
 ## Buy options
 
 * [Small 5v fan](https://www.amazon.com/GeeekPi-Raspberry-30x30x7mm-Brushless-Retroflag/dp/B07C9C99RM) **strongly recommended** to avoid overheating in the case.
diff --git a/docs/stl/v3.3/index.md b/docs/stl/v3.3/index.md
index 998a38f1..86ee9d71 100644
--- a/docs/stl/v3.3/index.md
+++ b/docs/stl/v3.3/index.md
@@ -1,17 +1,23 @@
 # PiKVM v3.3 Plastic Case for 3D printing
+
 When printing the case, you can choose the following options:
 
 * The presence or absence of an OLED screen (used to display the IP address and other information).
 
+Also take a look at the [PCI bracket for ATX adapter board](../atx).
+
+
 ## Buy options
 
 * [Small 5v fan](https://www.amazon.com/GeeekPi-Raspberry-30x30x7mm-Brushless-Retroflag/dp/B07C9C99RM) **strongly recommended** to avoid overheating in the case.
 * [I2C OLED screen](https://www.amazon.com/Pieces-Display-Module-SSD1306-Screen/dp/B08TLXYKS6).
 
+
 ## Building
 
 ![type:video](https://www.youtube.com/embed/-SRL92VJ870)
 
+
 ## Parts
 
 ### The front part
@@ -23,12 +29,14 @@ When printing the case, you can choose the following options:
 | <img src="case_a_no_oled.png" width=200 /> | [The front part](case_a_no_oled.stl) of the case **WITHOUT a hole** for the OLED |
 | <img src="case_a.png" width=200 /> | [The front part](case_a.stl) of the case with a hole **for installing the OLED** |
 
+
 ### The back part
 
 | Variant | Description |
 |---------|-------------|
 | <img src="case_b.png" width=200 /> | [The back part](case_b.stl) of the case |
 
+
 ### Spacers
 
 | Type | Description |