Talk:Rhinoceros 3D

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I have been using Rhino for several years now starting with version 1. The user interface is an order of magnitude easier to learn and better than Solid Works. In fact IMHO solid Works should throw out the current user interface and copy Rhino.

The drawback to my use of Rhino is it has serious problems with "unions" and "differences". A "union" is when two solids are joined together. A "difference" is when you subtract one solid from from another. These features are essential when you are designing molds for castings rather than just rendering them for pretty pictures. You can easily draw complex solid parts and render them but there is no guarantee they will union or difference.

The same thing goes for fillets but it is worse as the rendered pretty pictures depend on fillets and Rhino more often than not refuses to fillet the juncture of two complex solids. Also compared to Solid Works the filleting capability is limited. No variable radii fillets for an example.

Another problem is no shell command which is another requirement for molds. Shells are a constant wall thickness for a hollow part. Shells can be drawn but it is a tedious process of drawing the part twice. Copying, 3D scaling down and differencing the parts does not always provide an accurate shell.

Another problem is no draft command. Draft is essential in models that are going to be sand cast or made in hard female molds. The part must have draft or it will not come out of the mold cleanly. Again drafts can be drawn with similar work arounds to shells. This is tedious but it sure would be nice if one could specify draft angles.

Hopefully version 4 will address these problems. —The preceding unsigned comment was added by 209.234.173.57 (talk • contribs) 15:48, 6 October 2006.