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Ultimaker Community of 3D Printing Experts


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  1. There were some questions about size restrictions. Here are two quick examples of how one can capture objects both small and large. The ceramic vessel was decimated from a model of 7 million polygons, so very high detail in the original, generated from 88 photographs with masks. The model of the topography was made with 7 photos, taken out the window of a commercial airliner at cruising altitude with an iPhone 6s. Clearly this is not a high quality mesh, but then photographing from 30,000 feet on a hazy day, not with photogrammetry in mind,
  2. Here are some good tutorials on photogrammetry and using software such as Meshroom or RealityCapture. • Full Photogrammetry Guide for 3D Artists from 80 Level • Meshroom for Beginners from Sketchfab • Using Free Photogrammetry Software also from Sketchfab Over the next day or two I will be posting here some images and basic explanations from the process I used for working with scan data in Rhino. This is a process to enlarge sculpture maquettes and to help the artists to refine forms at full scale.
  3. For the last 13 years I have worked with the artist Tom Otterness. With Tom and his crew of assistants, I have developed a method of digitizing and enlarging his hand made maquettes, using Rhino to create armatures to hand build full scale patterns for casting, and to design elements for fabrication to meet the hand made features. You may see examples of his work made with this process at Hamad International Airport in Doha, Qatar, and soon at the Museum of Old and New Art in Hobart, Tasmania. I have been amazed at the accessibility and affordability of photogrammetry software to d
  4. So I had good success with the solvent cement mentioned above. It's a good solution for bonding surfaces with lots of common surface area. I wouldn't use it for small surface areas that are subject to torque. In cases like this, I used Loctite epoxy resin with metal pins. The two colors used were Standard White PLA from colorFabb, and iMakr's black PLA. Both bonded well, but the black had some discoloration and matte areas on what is otherwise a fairly shiny surface. This was repaired by briefly brushing the surface with a torch.
  5. Has anyone tried using Plastruct Bondene? I'm testing it out because I like the capillary action with bonding at the joint. I have been getting some decent success where two surfaces meet. Description of the product here: http://bit.ly/1KYPa50 "A specially formulated solvent cement for fast, permanent bonding of most similar plastics, including Styrene. Quickly bonds ABS to ABS, Styrene to Styrene, Butyrate to Butyrate and Acrylic to Acrylic. Actually melts the surfaces together, creating a bond as strong as the surrounding areas. Full coverage attained by capillary action." I'm beginning
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