xcarve cap for end of 2020 extrusion

this is a nice finishing touch on xcarve extrusion ends...cosmetic only

i printed with 25% infill and fits nice and tight..you just need to push it on with a firm amount of pressure and fits well

i made some with 4 legs which on my xcarve cant be used due to the t nuts are all the way to the end...so i madified and made a 3 legged and 2 legged version for installing when tnuts are in way..