Customizable Lithophane with Cura

thingiverse

This is not a tutorial, but rather a guide to creating lithophanes using Cura. The STL file provided is merely a placeholder; please do not download it. Cura boasts an underutilized yet powerful feature: transforming any photo into a stunning lithophane. This method surpasses other techniques found on Thingiverse in terms of convenience, flexibility, and overall quality. To get started, select a suitable image that showcases good contrast and minimal messiness. Essentially, any photo that looks visually appealing in black and white will translate beautifully as a lithophane. Next, drag and drop the chosen picture file into the Cura window. A settings window will promptly appear. Configure it according to the following guidelines: --Height (thickest height): Set this between 2-4mm for optimal results. The higher the setting, the more detailed the dark areas will be, but exceeding 4mm may result in lost shades. --Base (thinnest height): Adjust this parameter based on your image's brightness level. For images with little to no highlights, set it to 0mm; for images with prominent highlights, set it to 0.4mm. --Width and depth: Choose a size that suits your project requirements. Personal preference dictates printing as large as possible for finer details. --Select "Darker is higher." --Smoothing: Drag the slider to its far left position, then incrementally increase it in small increments. Avoid excessive smoothing, as it may blur the image; conversely, too little smoothing can result in a rugged 3D mesh. Click OK to create the model. For portrait pictures, you might need to rotate the model by 90 degrees for proper orientation. Slice the model using a layer height of 0.1mm or less. Exceeding this may compromise print quality. Opt for 100% infill for a solid print; a single wall is sufficient (add an extra wall for improved adhesion, if desired). Print at maximum speed, as this is not a concern due to the extremely flat shape. Inspect the sliced model to ensure even the thinnest parts have at least two or three layers. If any layer exhibits holes, you may need to restart with a higher Base height. Conversely, if multiple solid layers appear, consider reducing the Base height. Print the gcode file using white PLA or ABS filament for optimal results. While translucent filaments are too light, colored filaments can be too dark. Be prepared to address adhesion issues around corners by either applying a brim or employing an unconventional yet effective solution: aqua-net hair spray (use sparingly, as it may be challenging to remove prints). Wait patiently, then marvel at your creation under direct light. This makes for the perfect gift at minimal cost. Share the joy and make someone's day!