magnetic base dental articulator

needed hardware
2 15x4mm round magnets
use some big bolts to mount the mold to the magnets
2 T10x20 screws side screws for top
14 #4x1/2in wood screws mold plates,stop plate,back stop
1 7/32x1-1/2 compression spring cut in half ,for lateral movement
2 #4x3/4in round head wood screws mandible joint to posts
2 #6x1/2 round head screws for base to posts

use raft and supports for the top arm post and the top no where else i have added a raft to the p