The first step in building the pyramids was cutting the angled strips for the segments.

I started by resawinging a 6" wide, 3/4" thick maple board in half with my table saw. I used the technique of cutting alternate edges progressively deeper toward the board's center, making sure to keep the same side against the fence for all cuts.

Then I planed the boards to 15/64" thickness.

My Wixey digital angle gauge has a resolution of 0.1 degree, and I used it to set my table saw blade to 19.5 degrees. Then I bevel cut the edge of the planed stock.

I carefully measured and marked over 1/4" and cut the first strip.

Before making that cut, I improvised a thin ripping jig by clamping a long piece of scrap to the saw table. The end of the scrap lightly pressed a spacer against the top corner of the beveled edge. For subsequent strips, I moved the fence and stock to the left so the spacer contacted the end of the clamped piece.

That made it easy to rip a set of strips. (I cut extra strips to account for mistakes, or in case I ever want to build a second table.)

For scale, here's a strip beside a U.S. penny.

I cut the strips into rough, oversized lengths for the segments.

Now I was ready to move on to the hard part-cutting the actual segments with their compound angles.