Ib lub tswv yim los txog rau ib yam khoom, tshwj xeeb tshaj yog cov khoom siv roj hmab silicone, uas yuav tsum pib nrog cov cuab yeej prototype, cov cuab yeej tsim khoom loj, ib txwm pib nrog daim duab kos, tsis yog 2D xwb, tab sis kuj 3D. Qee zaum, ib lub lag luam me uas tsis muaj daim duab kos feem ntau tuaj nrog cov qauv tiag tiag, yog li peb tuaj yeem kuaj xyuas cov qauv, ua daim duab kos, thiab pib tsim khoom.