H4 "Japan" to "European" car headlight adapter

thingiverse

In English H4 "Japan" to European car headlight adapter helps convert Japan car headlights to European standard. Here is the relevant info in English. Two versions are available: 1st for 3D printing (.stl) and 2nd for cutting (.dxf, .svg). OpenSCAD source code is also available. The 3D part printed in ABS was tested for a month and did not show any deformation. Update 2016-11-03: One of the 3D printed ABS rings melted. DON'T USE PLASTIC RINGS IN YOUR CAR! In English Adapter for H4 car headlight to convert "Japanese" light to "European". Relevant for Japanese used cars. Adapter application is described here. Two models are included - 3D model (.stl) for printing on 3D printer and 2D model for cutting or manually punching out from metal sheet (.dxf, .svg). OpenSCAD source code is also available. Do not print the 3D model with PLA and other low-melting-point plastics - detail may leak when heated by light. The detail printed in ABS was used in a H4 headlight for a month without temperature deformation. Update 2016-11-03: One of the plastic rings actually melted. DO NOT USE PLASTIC ADAPTERS!