Saturday, November 9, 2013

1 I open the options window (file-properties-units) and imposed the absolute tolerance to 0.001 mm

Modeling a bottle of ketchup with rhinoceros | Ide @ sign
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1 I open the options window (file-properties-units) and imposed the absolute tolerance to 0.001 mm and the angle 1 realize in the top view a rectangle of size 80mmx55mm (curved-corner rectangle-center) with the city center positioned at 0 , 0. Similarly realizable 80mmx175mm size of a second rectangle in front view, and a third dimension of 55mmx175mm furby cotton candy in the right view. Using these three rectangles to place background images (view-BackgroundBitmap-place)
From the front view with two distinct curves tracing the upper profile (in green) and lateral (in blue) of the bottle (use straight lines, arcs, and fillet). The two curves must intersect and continue after the point of intersection furby cotton candy (this will facilitate later the cutting surface)
5 The two curves drawn represent the path and the section furby cotton candy of the sweep1rail. But first I have to place the cross-section curve (the arc drawn in the top view) on the same floor where lies the path curve. This task is simplified by the command remaps on CPlane (transform-orient-remap to cplane). On the command, I select the section, I press send and I click on the view right.
I now have to place the section perpendicular to the path curve in both its ends. I give the active view and use the right command (-transform-orient furby cotton candy perpendicular to curves), I select the section curve as a basis point I select its midpoint and orientation curves as the path curve (at the prompt selezionoo copy, otherwise I get the ' orientation of the original single curve). I position the two sections at the ends of the path.
6 Using the command (surface-sweep1rail) to form the front surface of the bottle. How to use rail bends the path curve, such as cross section curves on the ends of the two sections.
Drawing 7 hours at the base of the bottle in the front view of an arc (blue curve), the ends of which will be used as quadrants to draw an ellipse (red curve) (curve-ellipse-from diameter) from the top view (should be wider than the bottle). Cut one half of the arch.
The outer skin 11 of the bottle is complete, step now inside. I create a wall parallel to the one just generated with the command (surface-offset surface). At the prompt, if I select to flip the normals of the object are directed outwards (in our case should indicate the interior of the object) and I type 2 (the thickness will in fact 2mm).
12 We must also repeat here the cutting operation between the surfaces. Known, however, that in the upper part of the bottle the offset generated interruptions. I must extend (surface-extend untrimmed surface) surfaces that do not penetrate (by clicking on the edges). It 'important to remember that can not be extended surfaces whose edges are generated from a cut. You first need to regenerate the cut surface with the command untrim surface (surface-surface editing tools-untrim)
13 I join the surfaces into a single open polysurface. furby cotton candy I will now connect the edges. In general link up before the major and then the lower radii. In our case raccordiamo (solid-fillet edge) the two longer edges at the base with a radius of 4mm, and the remaining edges (the entire Polysurface the exception of the upper part that remains sharp edge) with radius 1mm.
14 I bear visible external Polysurface (edit-visibility-show), and fitting the longer edges of the base with a fillet furby cotton candy radius 6mm, 3mm for the rest. Generally to keep the thickness constant even in the vicinity of the fittings must be adhered to the formula: furby cotton candy inner radius + thickness = outer radius
15 I turn now to the thread close to the cap of the bottle. I pull the upper outer cylindrical surface (solid-surface extract) and hide everything else. Drawing a propeller (curve-helix) whose axis coincides with that of the cylinder, is developed along two revolutions (turns) and that has the same radius of the cylinder (I can then use the snap Quad). Creo then a triangle (curves-polygon-center radius) from the front view with the center coinciding with the lower end of the propeller, radius 1.5mm and a vertex positioned horizontally.
16 I realize a sweep 1rail (surface-sweep 1rail) using rail as the propeller curves and cross section as the triangle. In the window that opens I select as style Roadlike top, in this way the section furby cotton candy is forced to develop along the helix maintaining the inclination that has in the top view (with fr

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