I told the questioner to upload the incorrect file. All planes are
coplanar, to delete some disturbing lines needs seconds with the razor -
not hours.
But I wouldn´t say that to somebody who payed much money for PRO and is
angry
I told the questioner to upload the incorrect file. All planes are
coplanar, to delete some disturbing lines needs seconds with the razor -
not hours.
But I wouldn´t say that to somebody who payed much money for PRO and is
angry
If you were paying attention, he did upload his original “incorrect” file.
It doesn’t make sense to spend a bunch of time fixing a model that can be redrawn in less time. If you look at the video I shared, you can see it can be redrawn correctly in less than 2 minutes with no extensions or plugins.
Sorry - I found some missleading comments about “not coplanar” and so on.
What have such comments to do with the planes in the files sick.skp and sick2.skp - both are coplanar !
Nothing misleading. Look at my first post in this thread and you can see a screen shot from his “incorrect” file. It’s the one he called “Sick.skp”. All I did was add the coordinates to show that the points are not coplanar.

Ok - to delete some unneeded line takes seconds, not minutes or hours.
For me the point seems to be, that the questioner needed hours to draw these lines. Sick.skp (33,1 KB)
That is after 2 mouseclicks: razor and “Fläche ausrichten” (to reverse some faces).
That’s what @Thorleyian and I already indicated.
Microsoft OneDrive - Access files anywhere. Create docs with free Office Online. shows how tiny a line can be to make some trouble. In Your file are 2 short lines (16mm) with which You possibly have had Your problem.
So I am interpreting the many lines in this region.
Thank you. That was the question, how is it so easy for me to create short lines or gaps. How does this happen? Saying using the basics correctly does not help me. The problem is not in something simple like the sample it’s when I have had to spend hours changing radii and curves 'til I get exactly what I want and then alter other components so that they work together. Then suddenly problems like the simple sample. Here is another issue. I have an add in called solid inspector. It tells me when an object is not a solid. This sample has 7 surface borders and 6 internal face edges that are wrong. Solid inspector is supposed to show me where they are. But I cannot see them. Found 4 took me 2 hours to find andZ.skp (168.2 KB)
repair? (Should this be another question?
2 hours to find the problems? How were you how were you going about finding them? I found a number of them just by looking.
Z.skp (204.6 KB)
Fixed and solid. There were also some tiny faces on the curves of the end profile that appear to be leftovers from the way you drew the arcs. The arcs weren’t connected correctly and this left some tiny little faces. Erasing their edges took care of them but with a little care in drawing the arcs in the beginning, they could have been avoided altogether.
Thanks Dave. How did you find them? Were they highlighted or did you just know where to look?
I guess I just had suspicions because of the odd transition between the larger and smaller radius curves. They don’t look as nice as they could. Also, turning on Hidden Geometry showed the parallel softened edges which were another clue that there was something not right.
Those very closely spaced edges got my attention when I was looking at the model from a greater distance because they appeared almost as a single heavy softened edge. There’s no reason for a single softened edge to appear thick, though.
Of course all the internal issues with the crossing tubes were dead easy to see with the X-ray face style.
The solid inspector will circle the error location. The problem is error can be are small, sometimes hidden behind other geometry and when you select the fix all bottom the program cannot correct certain class of errors in all cases. Look at bottom of screen there are directions to you on how to select each problem and how to zoom in to it. In regards to plugins I have seen models that may have 100’s + of problems and any one that states they can fix all using Su native tools in short time I question. If that were the case then the plugins that help would not have been written.
Trimble, Shapeway’s, etc and some others have free programs they will run for you and try and correct. I have not used them and do not know how good.
If you what programs that does all then you will have to be willing to spend the $$ ( in thousands) or time to educate yourself.
I found and fixed all of the issues in Derek’s model without using any extensions. You can question it if you like. I’m not saying there isn’t a place for extensions like ThomThom’s Solid Inspector or the others but often it only takes a little looking to see areas that are likely to be problematic. That’s what I did in this case. Using native options like X-ray and Hidden Geometry are big helps.
@Derek, another thing that helps its to view the model in Monochrome face style. Applying materials and colors to the model just helps to mask the problems. It doesn’t make them easy to find.
That is not only Su but some other programs also and there are some that go out of their way to avoid those problems but, then cost differential for those is very high.
There is no question you can find simple cases and find quick solution but you know also if I gave you a model with 500 tiny edges and are in the range of mm you are not going to look at it and quickly fix. So I would like to think when we answer a question we look ahead a little tad and try to give the OP a global solution because they will not always be constrained to simple models. I know that also takes more effort and the question is how to balance the two.
If the goal is to not give " total" solutions then I need to change my approach since I have been spending too mush time on answers.
It is better to look ahead by teaching people how to model efficiently to begin with. With good fundamental modelling skills you should never produce a model with 500 tiny edges needing to be fixed. Finding the root cause of the flaws and helping them to be overcome will be more beneficial than showing them which plugin to use to fix their problems.
Knowing your Times tables doesn’t stop you using a calculator, but not knowing them stops you not using one.
That was example and based on others model.
Not sure of the point of your comment are you saying we should take the time to teach or not??
Many people come here asking advanced questions, then when you look at their model you realise they don’t have a full grasp of the basics. They are jumping ahead and need to get a grounding first.
I’m not saying this in this thread specifically, it was just in response to your post.
I’m saying teaching is about teaching to the appropriate level.
If someone is having issues with something that is a basic part of SU then show them how to fix the basics. If they are an advanced user that wants to find an automation of something they can do manually then offer them a plugin.
Teach as much as you can, but I try to never give a plugin until such time as the person has shown they can do something manually. Obviously this isn’t always possible.
The faces have to be coplanar when Derek wants to extrude with the native extrude-tool.
The faces of that file “sick.skp” are coplanar. They schould only to be united as I did in the file “sick.skp” I uploaded Sick.skp (47,9 KB)
Derek has to decide what is misleading for him.