A telescope support assembly, comprising: a metering structure , comprising: a triangular frame formed by three side beams (201-203) and three rectangular end pieces (204-206), each of the end pieces connected between ends of two of the side beams and truncating one corner of a triangle formed by the respective side beams, wherein the end pieces each include a top and a bottom , first and second opposing major surfaces extending between the respective top and bottom, and opposing side edges extending between the respective top and bottom and between the first and second major surfaces; wherein the end pieces are each configured for connection of support loads, wherein each side beam is connected at a first end to a side edge of one of the end pieces and at a second end to a side edge of another of the end pieces, and wherein each end piece is connected to an end of one of the side beams at a first of the side edges of the respective end piece and to an end of another of the side beams at a second of the side edges of the respective end piece; secondary mirror struts supporting a secondary mirror assembly , each secondary mirror strut connected to one of a plurality of mounting structures , each mounting structure affixed to the metering structure at the top of one of the end pieces; and primary mirror struts supporting a primary mirror support , each primary mirror strut connected to one of a plurality of strut mounts , each strut mount mounted on the metering structure at the bottom of one of the end pieces. a triangular frame formed by three side beams (201-203) and three rectangular end pieces (204-206), each of the end pieces connected between ends of two of the side beams and truncating one corner of a triangle formed by the respective side beams, wherein the end pieces each include a top and a bottom , first and second opposing major surfaces extending between the respective top and bottom, and opposing side edges extending between the respective top and bottom and between the first and second major surfaces; wherein the end pieces are each configured for connection of support loads, wherein each side beam is connected at a first end to a side edge of one of the end pieces and at a second end to a side edge of another of the end pieces, and wherein each end piece is connected to an end of one of the side beams at a first of the side edges of the respective end piece and to an end of another of the side beams at a second of the side edges of the respective end piece; wherein the end pieces each include a top and a bottom , first and second opposing major surfaces extending between the respective top and bottom, and opposing side edges extending between the respective top and bottom and between the first and second major surfaces; wherein the end pieces are each configured for connection of support loads, wherein each side beam is connected at a first end to a side edge of one of the end pieces and at a second end to a side edge of another of the end pieces, and wherein each end piece is connected to an end of one of the side beams at a first of the side edges of the respective end piece and to an end of another of the side beams at a second of the side edges of the respective end piece; secondary mirror struts supporting a secondary mirror assembly , each secondary mirror strut connected to one of a plurality of mounting structures , each mounting structure affixed to the metering structure at the top of one of the end pieces; and primary mirror struts supporting a primary mirror support , each primary mirror strut connected to one of a plurality of strut mounts , each strut mount mounted on the metering structure at the bottom of one of the end pieces. <EOS>