17.
Apply the horizontal valley-fold of the step #16.
Prepare to apply a valley-fold.
18.
Apply the valley-fold of the step #17.
Prepare to open the model.
Beside me and around me and in me, you fill me with the length of you. Measure for measure in matching pleasure you touch and tease 'til I beg you please; no swift release to spent surcease but loving tide of lover's ride, Rise in glory with the coming day and shake whilst in your arms I lay.