diff --git a/3d-files/README.md b/3d-files/README.md
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+# 3D Files
+
+## For A7670 boards with included GPS antenna
+
+Print holder two times and fix it with 4x M2 * 4mm.
+To screw case use M2 * 20mm.
+
+* [View model](esp32-a76xx-gps.html)
+* [FreeCAD file](esp32-a76xx-gps.FCStd)
+* *.stl files
+
+## For A7670 boards with external GPS/4G antenna
+
+To screw case use M2 * 20mm.
+
+* [View model](esp32-a76xx-with-2-sma.html)
+* [FreeCAD file](esp32-a76xx-with-2-sma.FCStd)
+* *.stl files
+
+## For SIM800L boards
+
+To screw case use M2 * 12mm.
+
+* [View model](esp32-sim800%20v2.html)
+* [FreeCAD file](esp32-sim800%20v2.FCStd)
+* *.stl files
diff --git a/3d-files/esp32-a76xx-gps.html b/3d-files/esp32-a76xx-gps.html
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+ esp32-a76xx-gps
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diff --git a/3d-files/esp32-a76xx-with-2-sma.html b/3d-files/esp32-a76xx-with-2-sma.html
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+ esp32-a76xx-with-2-sma
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diff --git a/3d-files/esp32-sim800 v2.html b/3d-files/esp32-sim800 v2.html
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+ esp32-sim800 v2
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