Manually add pHAT Files

Author: santaimpersonator

flex_boards/SparkFun_GNSS_pHAT/docs/assets/3d_model/README.md

@@ -0,0 +1,39 @@
+3d_model directory
+====================
+This folder should contain the 3D model of the product
+
+## Solder Mask - Color Correction Values
+Hex: #E0311D
+RGB: 224, 49, 29
+
+## File Optimizer
+https://www.loci-labs.com/optimizer
+
+## Model Editor
+https://modelviewer.dev/editor/
+
+
+
+## Old Methods
+
+### File Converter - `*.wrl` to `*.glb`
+https://imagetostl.com/convert/file/wrl/to/glb#convert
+
+### Solder Mask - Color Correction
+Open `*.glb` file and locate the `baseColorFactor` parameter with the following values:
+```
+          0.7027450799942017,
+          0.1537254899740219,
+          0.0909803956747055,
+          0.8313725590705872
+```
+Replace those values with the following values: `[,,,1]`
+```
+          0.7418950796127319,
+          0.0302486829459667,
+          0.0122311776503920,
+          1
+```
+
+## Solder Mask - Color Correction
+https://3deditoronline.com/