mastercraft mold update

im in the finall stretch   this is whats left

1  polish out top half of mold     thats half way done     {  but will have to stop for  a day or 2 wore of my finger tips  }

2    transfer  1/2' holes from top to bottom half and tap to 1/2'    { clamps mold  together }

3   lens screws  holes    drill  2 holes  5/16  . square the bottom up with 5/16 end mill . then grind a 3 degree end mill  to have a 5 /16 blunt face with slight corner radius         { left one }

4   do a test part    if part measures  up correctly after  shrinkage      i left .010 per inch  

5    heat treament  and im done  
 
after this i will be able to sell off all the nos lens i have along with a  repop housing