The first part I made for my Stirling Engine was the bearing plate. It connects to the base block and holds up the bearings that attach to the crankshaft.
First, using layout fluid and a ruler, I “layed out" the part on a flat piece of aluminum.
I then cut out the outline with a jigsaw and perfected the edges with sandpaper:
Finally, I drilled the holes using my drill press:
The bearing plate is finished!