prototype Synonyms

image paradigm epitome precursor swatch taster template tester touchstone type standard specimen predecessor primogenitor probationary progenitor protoplast quintessence sample shape yardstick format mock up proto racing prototype sports prototype prototype racecar prototyping test piece first example case in point master plan plaster cast role model benchmark prototypic prototypical genotype biotype breadboard first model precedent pattern exemplar example essence ensample embodiment design criterion