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Found 2 results

  1. Is there a way to take 3D cone created with the cone tool and create a surface array around a Sphere created with the sphere tool? I am trying to create a spiked wheel for a project. If possible I would like it to be a random pattern.
  2. Does Vectorworks have a way to draw on a sphere? Similar to the attached Tegan light fixture image, but not so many crossings? Basic process would be a NURBS curve or band object that sticks to the sphere surface as it is wrapped. More difficult would be simulating a material (twine, tape) that makes humps at the crossings. This is not exactly a random path, nor is it just a bunch of great circles. A real world materials process is wrap a plastic lamp post globe (eg 24"Ø) with a roll of narrow masking tape, then cut the untaped areas. More wraps mean more cuts, but less material removed. The goal is balancing tape width to number of wraps (or path length) to remove about half the sphere surface. Another real world method is to soak twine or cord in a resin and stick it to a beach ball or ballon that can be deflated and removed after the resin sets. A vwx model could help determine path length and number of crossings to achieve various percentages of openness. Or, the vwx model could be used to 3d print a mold from which an edition of resin "globes" can be cast. Anyway, trying to devise a modeling method hurts my brain. I'm not asking the forum to provide a model, but maybe just some pointers, opinions, or a notice to Cease and Desist (Cyst and Disease?) Current thinking •Draw a sphere, Convert to Groups (creates a bunch of 3d polygons). Snap a NURBS curve to the array of polys, then EAP. Seems this could work, but many problems: Difficult to control the wrap direction as it passes over a horizon. Worse, even with X-RAY, the NURBS prefers to snap to the front surface causing more of a bike helmet than a sphere. The path left the surface in several places. Takes a while to render OGL view changes, lots of wraps might overrun the system. •Zoom way back and apply wraps to a georeferenced earth, then massively rescale? •Some kind of solid intersection of a EAP object created near the surface? Or??? -B
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