Form for manufacturing concrete blocks for freestanding walls

A form for casting concrete blocks having first and second opposed textured sides simulating natural stone, first and second opposed ends, a top and a bottom, said form comprising a base, first, second, third and fourth side panels attached to said base to pivot between a first position forming a cavity having an open top and a closed bottom and a second position wherein upper ends of said side panels are separated to allow removal of a cast block from said form, means for connecting said side panels together when in said first position, said first and third side panels forming opposite sides of said cavity which cast the opposed sides of the block and said second and forth side panels forming opposite sides of said cavity which cast the top and the bottom of the block, a first insert secured to the cavity side of said first side panel, said first insert having a textured surface for imparting a natural stone appearance to one side of the block, and a second insert secured to the cavity side of said third side panel, said second insert having a textured surface for imparting a natural stone appearance to the other side of the block, and further including a third insert secured to the bottom of said form, said third insert forming the first end of the block at angles less than 90° to the first side of the block and greater than 90° to the second side of the block whereby the first side of the block is longer than the second side of the block, and further including means for tilting said form whereby the top of the block is generally trapezoidal.