"Mmm i´ve already used that 4mm T, just trying, but i haven´t cut the T . I´ve bought the 8mm kit to use with leftover pieces from 6mm kit to make a second a second/bigger frame, but some pieces from 8mm kit are different.
"One Question Jose Julio, what´s the central part you used? i ´ve bought on decathlon 3 kits (4,6 and 8mm), and i can´t find what´s the part you used. I´ve one that seems similar (flexible) but´s it´s a lit…"