○material

For fitting, PETG is fit to use. (PLA is not good because of non-bending.)

0% < infill ≤ 100% (picture is 80% infill, RepRapper PETG Clear.)

○parts

･Pan head screw (M4×50) × 1

･Hexagon nut (M4) × 1

･Printing parts(cap & base)

○add

You can add data “lithophane” , and customize.