VR Sketchpad Create Instant 3D Worlds by Sketching on a ...

DDDoolz allows user to add or delete connected voxel boxes in six directions (of the cube) to create 3D scenes (Achten, Vires et al. 2000). Teddy (Igarashi, Matsuoka et al. 1999) enables user to create spherical object models by drawing a 2D profile (a closed oval) then rotate the drawing sideways to draw the section for extrusion. ................
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