AutoCAD Inventor :: 2011 Loft And Boundary Fail
Nov 13, 2011
In the attached sample file if you edit the sketch in the first surface feature and change the dimension of 600 to 700, both the patch and loft features fail. It seems to be the curved edge that is the problem in both cases.
I cant see anything wrong with either way of modelling this so assume its a bug.This causes other problems in my real model with parts that reference these types of surfaces falling apart further down stream and is wasting heaps of $$$.
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Feb 21, 2011
At some point - I'm not clear when - something changed with my fonts(Linux - Slackware64 13.1). Now I cannot select, for example, the boldor italic version of DejaVu Sans. The appear as Regular.
- I tried to install the newest package for the dejavu fonts,
- ran mkfontscale
- ran mkfontdir
- Though probably unnecessary, ran fc-cache
First tried to 'reload fonts' (button in fonts dialog) in Gimp, thentried to restart gimp entirely. (and from a terminal to check for anymessages with --verbose).
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Jun 25, 2012
Autodesk Inventor 2013 won't let me create a project. The specified workspace G:Design does not exist.
This can result in unexpected default file locations.
Do you want to create the workspace?
and when i hit OK
Fail to create workspace G:Design.
You may need to change it to other place
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Nov 9, 2012
i need to know if there is any way to control the points in the point cloud.
1. either only import the point cloud in a polyline area i specify
2. add all the points within a boundary not limited to the pointclouddensity = 100, freaking default is 15 almost cost my job today. extremely stressed out right now.
i am talking about extreme lidar surveys. 1km 1km LAS/0.5m contours/xyz files times 355 of them. covers a 2km wide corridor. but i only need 100m wide after i define the road alignment. no need to have all the extra points.
right now i densify the heck out of it and end up like 5-12m points. decent but not good enough because the geotech is bitching about that accuracy is not good for some feasibility study. or is there any software i can do this besides civil 3d.
what i want can also do is automate the 'add points to surface" under point cloud and have the software do multiple boundaries without having me baby it over the night. right now every click is 5 minutes and adds like 400k to 1 million points. Civil 3D 2012
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Feb 27, 2012
I need to shell out a Loft in the attached IV 2012 part file.The Loft i tried also as a new solid but the shell also cuts into the cylinder ( revolution 1 ) . I only want the 2 sides and bottom of the Loft to be Shelled, not the cylinder. What do i need to change to get the shell to work?
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Jul 8, 2013
insert dwg view in model space with Inv 2014.
I try here and i receive this error " invalid input for request" If i try with 2013 it's work well.
INV PRO 2014
MS Office 2007
Win 7 pro, core i7 950, asus P6T WS
nvidia Gforce GTX 295
WD caviar black 500Go
WD caviar black 1To
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May 8, 2012
I don't understand why this Fillet would fail when it was fine before I changed the length of the edge. See before and after shots attached..
The geometry/features that are used to create the fillet are exactly the same.
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Nov 7, 2009
I'm loft retarded. What I did here was loft to a tangent work plane, then did a sketch on the top surface and extruded the shape that I want. There has to be a better & easier way.
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Nov 6, 2011
I have a cylinder on top of a curved surface; I want to make the cylinder land adaptively to the surface, so I projected the circular face of the cylinder in the surface, which ended up being a 3D sketch. I tried to loft a solid between both curves, but it always gives me errors. Some examples are:The attempted operation did not produce a meaningful result. Try with different inputs.Multiple disjoint loops found in a profile section.
I have had success when trying to do the same thing with curved surfaces in two dimensions only (e.g. extruding a 2D curve), but I think the error is produced since the curved face I am trying to use belongs to an elipsiod.
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Jul 24, 2012
Okay I've been building random things to teach myself how to use Inventor and right now I'm stuck on a rim I'm creating. My question is.. is there a way to copy and paste a lofted item since there are three parts to it (2 planes and 1 guide) because I need 4 more spokes and if I copy the loft it copies all three parts seperately. Then when I paste and orientate the small end of the loft to the plane I want it tells me "Unsatisfied Geometric Inputs".
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Aug 29, 2011
I am having trouble trying to get the Loft-1 to run the same shape as Revolution-2 .Picture 1-1 shows how Loft-1 is slightly off centre to Revolution-2 at the top .could i model the Loft-1 and Revolution-2 using different tools in one command making it a smooth shape. Another problem i have is how do i make Revolution-2 at the end terminate into Revolution-1 smoothly.I tried using Loft but it kept getting fail message.Picture 1-2 shows where to terminate the end into the Revolution-1 body.
Inventor 2012
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Nov 22, 2013
I have created a loft from 4 different sketches. Now I want to make a drawing with the front, side view and the dimensions of the 4 profile sketches from the loft. But I can’t find a way to put the sketches from the part on my paper. It works with copy-paste ;^) but this is not the way I want it (it’ll not change when I change the profiles in the part).
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Aug 30, 2013
this message appear with "loft" between blade sections the attempted loft operation resulted in self intersecting surfaces.Try with different inputs
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Jan 24, 2013
I was wondering if it is possible to make a surface loft go from 1 square section to 2 round sections.
So 1 ingoing section en 2 outgoing sections.
I've attached a simple drawing.
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Oct 8, 2012
I am following the U-Tube exercise called "Emergency Light (Cabinet) volume 1". I am at time stamp 1 hour 26 minutes, exactly.
In the video they use a Loft command in order to cut a shape out of two sketches numbered 10 & 11. I have been copying exactly and am having difficulty at this stage of the model.
Is there any reason why I am managing to use the Loft command earlier perfectly but not at this point.
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Jul 5, 2013
Using the image below, I want to removed the yellow extrusion up to the red circular edge, I assumed split tool would do this.
And I don't require this but i would like to show the splines on the ends to "feather" out to the round like the actual axle does. (this is just for aesthics) I have the extrusion done, But I can't figure out feature is requied to do this, loft?
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Apr 16, 2012
I have a part that I'm trying to loft using 3d sketches for the rails will this work? Everything is fine till I try to add the rails, As you can see the loft works with out the rails.
Windows 7 x64
IV 2012
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Sep 16, 2013
I want to create a hole approx 586x586mm. But every time i try inventor respond with "The attempted operation did not produce a meaningful result" If i do a slightly smaller hole it will work, but that is not what i want...
And i run Inventor 2014
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Oct 17, 2013
Now Inventor allows users to create relationships with Joint or Constrain/Assemble commands. Both of these methods let the creation of Positional Representation, but when animating them in Inventor Studio, only animations created with Pos Reps from constraints work. Animated Pos Reps created with joints don't work at all.
Is this a bug? Will this problem be fixed soon (with SP, Updates or any Hotfix), or would it be fixed in the next release?
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Jun 30, 2013
SurfaceBody.GetExistingFacets( ToleranceIndex As Double, VertexCount As Long, FacetCount As Long, VertexCoordinates() As Double, NormalVectors() As Double, VertexIndices() As Long )
This works fine in VBA (Inventor 2014). But when I start using the same in VB.NET (VS 2012) all declaration as long shows as integer and fails on compiling. If I change to integer compile passes but fail on executing in Inventor 2014.
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Jan 20, 2013
Im struggling coming up with a loft or sweep to get the design effect I need. see on the pic how the profile terminates to a point.
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Dec 7, 2012
I'm trying to produce this loft but the rail I really need it to follow won't produce any results. The other ones on the 3d sketch will work just fine but not the regular sketched one. It seemed to work when I made the rail a straight line but I need it to follow the edge of the surface which is a line, tangent to small r3 arc, tangent to line and connected through projective geometry from the original surface sketch.
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Jul 19, 2013
how to loft from 2d sketch to circular surface.
I have attached the model in this model I tried to loft Sketch 6 to Sketch 19.
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Jan 3, 2012
attached are 3 files that demostrate what is happening when I select a profile to loft and the rails of the Surface and how it changes the profile and how I can get a straight back edge not bowed in like it did to the front
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Apr 27, 2012
I want to create a solid using VB and loft definition.
I creat each time different planes that have a constant distance in x dimension and a steady rotation each time φ (deg).
On each each plane i sketch the same profile and that is happened for 360 deg.
The problem is that Loft is not made because a line of the profile must follow a line tragectory and all other points must follow a circular tragectory. Also, there is a problem from 180 deg to 360 because there is intersection of profiles.
The result must be a solid similar to snail shell but all the same solid, as a cylindar whith a half sphere in the bottom.
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May 1, 2012
I made this part, which is a loft consisting of five symmetric squares. I plan on laser cutting each side, which would be exactly the same.
I can't seem to figure out how to make a flat projection of one of the sides. I have tried in sheet metal, but I don't use that feature in my line of work.
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Jun 10, 2012
I am trying to loft a port shape for a project. I have been able to loft pretty much the same thing when part of a larger model but this time around it keeps giving me an error.
In the past i will loft the whole part then remove the inner portion to get the port.
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Feb 16, 2012
I work at a car seat company, and we are just now, starting to draw in Inventor. I have problems drawing the seat belt. Here is my first try:
I have tampered with this one! From this angle it looks ok, but it isn't right. I have tried using Loft and Sweep, but with no good results! The seat belt is static in the shown position, but should be able to adjust onto another seat.
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Jul 18, 2012
I am having to model a spiral slide in sections, and the top piece has this weird angled lip where the opening distorts. Im simply trying to take the face of the extruded part (in three sections) and loft it to the sketch on a different plane. And use the sketched curve as the centerline.
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Jul 30, 2013
The rotor is composed of cylinder and a solid lofted between two 3D profiles. The attached part file is correct. To reproduce the error- change the "inlet_width" parameter from 12mm to 10mm or less (it is a parameter in "Blade Profile" sketch). On updating the part there will be infinitesimally thin solid layer on outer diameter of the cylinder.
-3D Sketch profile is a projection not from the "Blade Profile" sketch, but from a plane offset from it. This was first attempt at a fix. I suspected the original tangent work plane to intersect the cylinder.
-Creating a new solid body from loft was the only way to avoid errors such as "non-manifold solid".
I will be creating multiple versions of this part and I need to be able to safely adjust the "inlet_width" and "outlet_width" parameters. I will be grateful of any proposed fixes/workarounds to that glitched behaviour.
EDIT: The version is Inventor 2014 Educational.
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Sep 13, 2013
I am having a difficult time centered the helical path (the equation curve) and lofting the two profiles (centered) through the helical path in the axial rotation direction..
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