About this 3D model

It's HOLLOW and held together with 24 barbed pins. Press them in firmly and squeeze segments together. Scales well. The MINI size is roughly BASKETBALL size. MK3/X1C is HUGE. The FIT will be tight, but it makes the spheres STRONG Do not Drop spheres, they will break. Assembly Instructions: Put 2 pieces together to form ¼ wedges. put 2 ¼ wedges together to make a half sphere. Put 2 halves together at the same time. If you do the wrong order it can become impossible to add the wedges.