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| Both sides previous revisionPrevious revisionNext revision | Previous revisionLast revisionBoth sides next revision | ||
| projet_cjp_660:blender_workflow_for_color_printing [2020/02/21 06:25] – formlab | projet_cjp_660:blender_workflow_for_color_printing [2022/09/30 00:48] – [Then open object in 3DPrint:] formlab | ||
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| ====== Blender workflow for color printing ====== | ====== Blender workflow for color printing ====== | ||
| - | ===== In Blender: ===== | + | ===== Create object in Blender: ===== |
| * Do your generic 3D print prep work | * Do your generic 3D print prep work | ||
| Line 7: | Line 7: | ||
| * It's best to use a manual unwrapping method (mark edges) as the smart UV unwrap leaves visible marks on the texture. <wrap hi> | * It's best to use a manual unwrapping method (mark edges) as the smart UV unwrap leaves visible marks on the texture. <wrap hi> | ||
| * Make sure to have large gaps between islands <wrap hi>(can a safe minimum be calculated? | * Make sure to have large gaps between islands <wrap hi>(can a safe minimum be calculated? | ||
| + | * <wrap hi> | ||
| * Open the texture and lay out the UV (or use Cycles to bake the 3D view to the texture) | * Open the texture and lay out the UV (or use Cycles to bake the 3D view to the texture) | ||
| * A texture of 2048x2048px should work fine for medium sized objects. Alpha enabled, 32 bit float unchecked. | * A texture of 2048x2048px should work fine for medium sized objects. Alpha enabled, 32 bit float unchecked. | ||
| Line 14: | Line 15: | ||
| * Export as OBJ & set Path type: copy (blender copies texture file to destination folder) | * Export as OBJ & set Path type: copy (blender copies texture file to destination folder) | ||
| - | ===== In 3D Sprint: ===== | + | ===== Open object in 3D Sprint: ===== |
| * Open the OBJ file (the texture file will be automatically loaded) | * Open the OBJ file (the texture file will be automatically loaded) | ||
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| * Export 3D model as VRML (.wrl) file. (The texture file will be exported as well) | * Export 3D model as VRML (.wrl) file. (The texture file will be exported as well) | ||
| - | ===== In 3DPrint: ===== | + | ===== Then open object in 3DPrint: ===== |
| * open the exported .wrl file and check if the texture is present. | * open the exported .wrl file and check if the texture is present. | ||
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| Notes | Notes | ||
| + | * The textures in 3DSprint might appear extremely low resolution. The VRML file however is exported in full resolution. | ||
| + | * Follow up: how does this result in print? | ||
| * Blender: speckles on bake are caused by overlapping mesh geometry. Remesh and they should go away. | * Blender: speckles on bake are caused by overlapping mesh geometry. Remesh and they should go away. | ||
| * 3DPrint: visible seams: avoid using a large texture file. Keep it 2x2K. Allow more space between islands. | * 3DPrint: visible seams: avoid using a large texture file. Keep it 2x2K. Allow more space between islands. | ||
| * experiment with alpha or non-alpha | * experiment with alpha or non-alpha | ||