GeoCore: Kids 3D Construction Set
3D-printable hubs that turn cardboard tubes into a fun STEM building set for kids to explore geometry.
8
16
0
143
updated
July 1, 2026
Model files
hub_straight_2 stl
hub_trigonal_planar_3 stl
hub_dodeca_3 stl
hub_tetrahedral_4 stl
hub_elbow_90_2 stl
hub_tetra_3 stl
hub_corner_cube_3 stl
hub_octa_4 stl
hub_icosa_5 stl
hub_hex_planar_6 stl
hub_cubic_6 stl
rod_2L stl
rod_sqrt2L stl
rod_L stl
rod_phiL stl
Model origin
The author marked this model as their own original creation.