This is a coin/key cup.  One example of a project I used to have my students make on our lathes.  Found this oak block already glued up and assume I made it 5 or six years back intending to show my student as an example that could be cut using the CNC rather than the lathes.  No better time than now to actually cut it. 

Pushed the limits of my CNC.  I had to set the Z clearance down to 1/16" so the bits I used would start above the wood blank. 4" diameter, 3" tall.  Glued to a plywood scrap with paper in between so I can split it off cleanly with no screw holes in the bottom.  The bowl center I did with the block standing up and a typical moulding toolpath.  The contoured perimeter is all done here on the rotary axis.  Shot taken just as it finished being cut. I'll take it out to my garage lathe to sand clean and down to 300 grit.  

4D

Some cherry stain applied.  When this is dry I'll seal with some tung or teak oil.  

Cool proiect.

Stain and teak oil finish dried.  Time to split the plywood back off. 

Then sand the paper and glue off.

4D

Edited May 20, 2025May 20 by 4DThinker

Truck keys now have a happy place to rest. 

4D

Cool!