Rack Mount System 19"

I am working on building a relay testing rack mount system and needed to have some custom brackets made. In designing them and printing them I have saved a significant portion of custom manufacturing costs.

Hardware Required:
6-32 1/4" length machine screws, Digikey H154-ND
6-32 1/2" length machine screws, Digikey H360-ND
2" Hex Standoffs 6-32 female-female, Keystone Electronics 2214, Digikey 36-2214-ND
1/2" Hex Standoffs 2-36 female-male, Keystone Electronics 8414, Digikey 36-8414-ND