Umsebenzi Oyinhloko: Isofa Graphic isofa eyakhelwe izindawo zokwamukela izivakashi kanye namakamelo okuphumula. Isimo silula futhi sinamajometri, ngaphandle kokuhlobisa. Umhlane ususelwa esimweni esiyindilinga esinwetshwe saba kathathu kuradius wawo, okunikeza isihlalo esakhelwe kahle isimo esilula ngokubukeka. Uhlaka lwenziwe ngezinkuni zokutshalwa kabusha kwamahlathi, ngeLyptus ezingxenyeni ezakhayo kanye nePinus kwezinye izingxenye. Isihlalo siphethe ifoam ye-density engu-30, futhi izinyawo zenziwe ngensimbi ye-carbon ependwe ngopende wezimoto. Isembozo silwembu lwemvelo. Isikhala esiphakathi kwesihlalo kanye nasephansi senza ukuhlanza kube lula.