As some of you know I have been making replicas of the cube prop from the TOS episode By Any Other Name. Below is a how to on how to make your own cube.
I use a 5x5 cube made by Smoothfoam.
Step 1: (optional) cut the cube down to 4.5 inches
Step 2 : Sand the sides smooth.Use the sander to clean up shape.
Step 3: Using a template mark diamond pattern on all 6 sides of cube.
Step 4: Cut off corners
Step 5: Using the electric sander clean up corners. Also a good time to clean up work area (this is a messy project)
Step 6: Using a scrap of wood wrapped in sandpaper clean up edges and corners. Remove any marks made by pen. Goal is to make corners sharp.
Step7: Using a pencil poke holes in all sides and finally you get...