tdarcy Posted September 10, 2004 Share Posted September 10, 2004 Hi guys, Does any body know of a lisp routine or method of stretching individual vertices of a 3d solid in autocad rather than having to extrude or chop off parts of a solid. Cheers. TD Link to comment Share on other sites More sharing options...
Onslaught Posted September 10, 2004 Share Posted September 10, 2004 Use the built-in solid editing feature in AutoCAD. Link to comment Share on other sites More sharing options...
tdarcy Posted September 10, 2004 Author Share Posted September 10, 2004 yes Onslaught, use them all the time but sometimes it would be nice to just select a few vertices and stretch them to make a quick modification, there used to be a feature in R14 which allowed this but it does not exist with adt etc. TD Link to comment Share on other sites More sharing options...
graphix Posted September 11, 2004 Share Posted September 11, 2004 Are you talking about picking one corner of a solid cube and stretching that one point? or are you talking about stretching an entire face? The entire face can be done via the tool pallet already shown. I do not know of a way to just stretch a single "corner" of a solid cube. graphix Link to comment Share on other sites More sharing options...
CAD Posted September 11, 2004 Share Posted September 11, 2004 I believe it can only be pplied to surface modeling and not in solids. Solids rely only on boolean operations. Link to comment Share on other sites More sharing options...
Jason Matthews Posted September 12, 2004 Share Posted September 12, 2004 Actually. it is the opposite. Surface modeling will not allow you to move verticies. Believe it or not, 3d modeling in cad is done by surfaces. This is why. When you have a solid and you explode it, you get seperate faces. FormZ on the otherhand is true solids modeling because you can stretch and move vertices, endpoints, segments, etc. Both surface modeling and solids modeling use the boolean opperands. -Jason Link to comment Share on other sites More sharing options...
CAD Posted September 13, 2004 Share Posted September 13, 2004 Actually. it is the opposite. Surface modeling will not allow you to move verticies. Believe it or not, 3d modeling in cad is done by surfaces. This is why. When you have a solid and you explode it, you get seperate faces. FormZ on the otherhand is true solids modeling because you can stretch and move vertices, endpoints, segments, etc. Both surface modeling and solids modeling use the boolean opperands. -JasonI've been modeling in AutoCAD for 6 years now and I haven't been able to stretch solids, only surfaces. Have no idea with FormZ coz I never used it. If you can show or tell me how to do it the way tdarcy described it above in Autocad then I'll be more than delighted to know. thanks, Link to comment Share on other sites More sharing options...
jysngltndz Posted September 13, 2004 Share Posted September 13, 2004 I've been modeling in AutoCAD for 6 years now and I haven't been able to stretch solids, only surfaces. Have no idea with FormZ coz I never used it. If you can show or tell me how to do it the way tdarcy described it above in Autocad then I'll be more than delighted to know. thanks, solids can also be stretch using "move faces" under solids editing but its limited and only faces not vertices... surfaces in the other is stretchable but i have a hard time controlling it... Link to comment Share on other sites More sharing options...
G Posted September 13, 2004 Share Posted September 13, 2004 I agree with Jayson, Move faces is a cool tool. I too have been using autocad for 3d over the last 6 years and have only discovered the move faces tool. it save you a heap of time instead for slicing/extruding faces. G Link to comment Share on other sites More sharing options...
Jason Matthews Posted September 15, 2004 Share Posted September 15, 2004 Hi Eric. I think my comment was misunderstood. All I was saying is that even though you are creating a "solid" in autocad. It is not a true solid. Therefore you cannot stretch the faces as you can in FormZ, which alows you to truely model with solids. Of course everyone knows the stretch face command in cad. Until Autodesk uses real solids modeling, we are stuck with faces. -Jason Link to comment Share on other sites More sharing options...
CAD Posted September 16, 2004 Share Posted September 16, 2004 "All I was saying is that even though you are creating a "solid" in autocad. It is not a true solid. How do you define 'true solid' then? Something stretchable by its vertices? "Of course everyone knows the stretch face command in cad." There is no stretch face command in cad, only move face or extrude. Link to comment Share on other sites More sharing options...
Jason Matthews Posted September 16, 2004 Share Posted September 16, 2004 I too have been using cad for a while (since release 10). I understand what you are saying. But I don't understand the point you are trying to make. I think we are agree on the same thing, just not how to say it. This is the last I will write on the topic. Link to comment Share on other sites More sharing options...
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