It is a wall-mounted key holder with an octopus shape,
You can hang up to a maximum of 8 sets of keys.
The POLPAchiavi il composed by:
1 - the OCTOPUS BODY
2 - the suction cup-shaped hooks in 2 versions, the first one is CLIP TECHNOLOGY, the second one is made by a THREADED TECHNOLOGY (it is a screw and a nut).
You can choose how many hooks to print and apply it in any of the 8 tentholes of the POLPAchiavi.
Ocrobus 3D Maker
I print all the parts in PLA, but I used a 0,2[mm] layer thickness for the body, instead I used a 0,1[mm] layer thickness for the suction cup.
Ultimaker 3 (ITALY-Turin)