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Showing results for tags 'tangent'.
Found 7 results
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align block to curve with 2 "base points" / car along curve
B.N. posted a topic in AutoLISP, Visual LISP & DCL
Hi, I've found the align object lisp from Lee Mac (thank you sir). I have a slope for an underground garage where a special type of car can't pass the entrance (hanging too low). They have given me a model of the car. I want to align the car to the curve i've created. The problem is that the car has two tires, represented by circles. The point where they hit the curve is somewhere along those circles and i should align with 2 points to the curve. Can you help me out? The blue line is a section i've taken from the DTM, The green line is a proposition i've made with trial and error. car align to curve.dwg -
I can't find a way to draw an arc off the end of a line or arc that is NOT the last entity and have it act as though it was continuing in the normal way, like it does when continuing off the end of the last entity drawn. As in, have it behave like an arc coming off the last entity but select a random different arc in the drawing. I always have to trace the arc or line that I want to continue off of, then use arc continue as normal. Tangent does not work because then you have to pick Center or End and then you're locked into an arc that is not behaving like a continuing arc. I hope this makes sense. I have a feeling it will be something like a small .lsp or .vlx program that moves the selected entity to the last item in the db dictionary, then I'd still have a 50/50 chance that it would be the correct end of the line or arc that I want. I know someone here knows how to do this! Thanks much, R.L. Hamm -
How do I draw a circle tangent to 3 points on a shape?
junehe posted a topic in AutoCAD Beginners' Area
Hey, can anyone help me with this project? I need to draw a circle tangent to 3 points on the red shape in the image I attached. The circle's diameter needs to represent the longest distance between 2 points on the shape. The question I have is: I don't know how to look for these 3 points on the shape. I also don't know how to find the 2 points on the shape which represents the longest distance inside of the shape. So how do I draw the circle? I am so frustrated with this. Anyone who can help me I would appreciate a lot. Thank you so much!!!
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Problem with OSNAP to tangent
Valiance posted a topic in AutoCAD 2D Drafting, Object Properties & Interface
Hi, I'm having a problem with OSNAP and am not sure what I'm doing wrong. As you can see from the attached photo, I am using offset to create a parallel line to the one selected (the leftmost line) that I am trying to place tangent to the circle in the center. However, the tangent snap points (which should be visible in the picture) aren't working properly and cause the line to snap to a position inside the circle rather than tangent to it. My command process is offset -> through -> select line -> select TAN onsnap option -> hover over circle near desired tangent point. Any help would be appreciated. Thanks!
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This is the text-book exercise I am working on: Strictly speaking, the back of the jaw consists of two arcs and a tangent. I can't find anything in the book so far that deals with this so I am stuck. Can someone please help me out with a way to do the back of the jaw. Thanks BTW: as to the dimensions, I work in millimetres so I take the given imperial (inch) dimensions, multiply the number by 100, and call it mm. Hanger_Jaw.ipt
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Can't snap a circle to a line with tangent point.
Sengna posted a topic in AutoCAD 2D Drafting, Object Properties & Interface
I have my object tangent snap on and i was trying to snap the circle to the vertical line but it didn't show me the tangent point icon. Any body know why? or there is no way we can't have a line attach to a circle. thanks
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how to draw a circle passing from given 2 points and tangent to a given line
khoshravan posted a topic in AutoCAD Beginners' Area
This is a geometry question, but I think folks here can help me to find a solution to draw it with CAD capabilites I have 2 points and a line given (both points on one side of line) I want to draw a circle so that it passes through two points and tangent to the given line. I tried a little bit but seams not be so easy (at least for me) Any idea. I have to say that still I couldn't solve the geometry of the question but there might be a solution in ACAD.
