A foldable elevator cabin structure, comprising: a first group of four arms attached together through a first pivot wherein each arm of the first group of four arms is attached using one of four joints to solely one of four vertical elevator cabin members at a top part thereof; a first set of four top supports attached each to solely one of the vertical elevator cabin members at the top part thereof and also attached to a top portion of an elevator cabin ceiling ; a second group of four arms attached together through a second pivot wherein each arm of the second group of four arms is attached using one of four other joints to solely one of the four vertical elevator cabin members at a bottom part thereof; a second set of four bottom supports attached each to solely one of the vertical elevator cabin members at the bottom part thereof and also attached to a bottom portion of an elevator cabin base ; wherein the first group of arms and first pivot are disposed above the elevator cabin ceiling and wherein the second group of arms and second pivot are disposed underneath the elevator cabin base ; wherein the four vertical cabin elevator members are constructed using various longitudinal surfaces such that three of the vertical elevator cabin members are constructed with identical longitudinal surfaces; and the fourth vertical elevator cabin member is constructed using a unique set of longitudinal surfaces different than those of the three vertical elevator cabin members constructed with identical longitudinal surfaces; a set of three cutouts in the elevator cabin ceiling such that the three vertical elevator cabin members having identical longitudinal surfaces are positioned each one in a single separate one of these three cutouts for close attachment to the elevator cabin ceiling ; and a fourth cutout in the elevator ceiling such that the fourth vertical elevator cabin member having a unique set of longitudinal surfaces is positioned in the fourth cutout for close engagement therewith. a first group of four arms attached together through a first pivot wherein each arm of the first group of four arms is attached using one of four joints to solely one of four vertical elevator cabin members at a top part thereof; a first set of four top supports attached each to solely one of the vertical elevator cabin members at the top part thereof and also attached to a top portion of an elevator cabin ceiling ; a second group of four arms attached together through a second pivot wherein each arm of the second group of four arms is attached using one of four other joints to solely one of the four vertical elevator cabin members at a bottom part thereof; a second set of four bottom supports attached each to solely one of the vertical elevator cabin members at the bottom part thereof and also attached to a bottom portion of an elevator cabin base ; wherein the first group of arms and first pivot are disposed above the elevator cabin ceiling and wherein the second group of arms and second pivot are disposed underneath the elevator cabin base ; wherein the four vertical cabin elevator members are constructed using various longitudinal surfaces such that three of the vertical elevator cabin members are constructed with identical longitudinal surfaces; and the fourth vertical elevator cabin member is constructed using a unique set of longitudinal surfaces different than those of the three vertical elevator cabin members constructed with identical longitudinal surfaces; a set of three cutouts in the elevator cabin ceiling such that the three vertical elevator cabin members having identical longitudinal surfaces are positioned each one in a single separate one of these three cutouts for close attachment to the elevator cabin ceiling ; and a fourth cutout in the elevator ceiling such that the fourth vertical elevator cabin member having a unique set of longitudinal surfaces is positioned in the fourth cutout for close engagement therewith. <EOS>