This project is to make cassing my clock dot matrix in my posting on this https://www.instructables.com/id/Made-Clock-Matrix-With-192-LED/
Step 1: What Do You Need ??
You just need canal U to instalation panel, use the Cup not canal U.
Step 2: Cut the Cap of Canal U
Use the Saw to cut this, on this project i used dimension 12 x 22 cm
Step 3: Cutting Edges 45 Degrees
cutting edges 45 degrees
Step 4: Retaining Elbow
cut to width canal U, cut into 2, used glue to make it strong..
Step 5: Finally This Project Is Like This
The Finnally, this project is like this. you can use Acrelic to infront and use wood in back of this box.