need help on paintin my dash

ive took out my whole dash soo many times and painted it soo many times but it juz doesnt look ryte i dont kno wut im doin wrong im tryin to get it glossy fiberglassed look or real smooth im usen this dash,seat, interior paint from autozone lol and i dont kno if that could b it but i dont kno i need help...maybe should i sand tha whole dash if so wut grid paper

i hope sumone out there will help me

lata justin