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====== Prepare for 3D printing ====== ===== Prepare your 3D mesh ===== * watertight * not too many intersections * avoid small details (0.8mm minimum detail, but tall objects should be thinker) * if part snaps together with other part: allow clearance * if part snaps together with other part: make sure the part can be inserted ===== Slicing tips ===== ==== Cura ==== === Cura is slow === If Cura is slow: set the option "Infill > Skin Edge Support layers" to 0 {{:prepare_for_3d_printing:slow_cura_trick.png?600|}} === Per model settings === {{:slicers:per_model_settings_-_result.png?600|}}\\ Use different slicer settings in the volume of a selected object. **Example**: use a more dense infill in a specified area * Add the object you want to print. * Add the object you want to define the dense infill with (a cube could work just fine). * Change the size and position of the second object so it overlaps the first object at the desired location. * Select the second object. In the side bar, go to ''per model settings'' and select ''Modify settings for overlaps''. * select ''infill mesh only'' * select the following settings: * Wall line count: ''0'' * Top Layers: ''0'' * Bottom Layers: ''0'' * Infill Density: the desired value for your print {{:slicers:per_model_settings_-_settings.png?600|}}\\ When you're using Gradual Infill Steps in your main model, don't forget to add ''Gradual Infill Steps: 0'' to the per model settings === Calibrating for correct dimensions === * Isolate a small piece of your model which you can use for a fit-test. * In Cura, set the ''Horizontal offset'' to a negative number (in mm) to make the model leaner in the horizontal plane. Set it to a positive number to make it fatter. Use small values like for example ''0.1mm''. * Print the test piece and measure it with calipers. * If the dimensions are different than the CAD model, adjust the horizontal offset. * If the dimensions are the same as the CAD model, but it doesn't fit properly, adjust the clearance values in the CAD model.