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From: Lara (MALA)
Workaround is not still perfect. (or better...my MOI- skills are not good enough)
1.
There are some lines associated which I intended to delete. But I cant do that. Don´t know what I made wrong!?
2.
The red section is not perfect. But I can´t get it better. And the S-Line for a Loft is in peaces and I´m not able to select it to join for a proper lofting.
Help would be good...
cheers, ML
From: Frenchy Pilou (PILOU)
Your piece is floatting in the space : put in middle of the grid better for eyes tranquility! :)
(and more easy for rotate it! )
Some lines are floating in the Space (object G) Kill it!
Some objects are Hidden ! So Unhide all ! Kill them
Line edges have not same color so surrely belong to some different objects!
Your vertical are not exactly equal between blocks or even in the same block!
200,0000003 against 200,0000000
Some curves are overlapsed
etc...
Seems better efficient to redraw your object...more and more you redraw it more and more you find tricks!
Draw Arc Cont between Lines
Extrude Line for make a surface
3 Quarter Arcs + NetworkWork for make surface
etc...
Select All and press TAB & Write ExplodeMove = you see what is not good! (like lines inside object alone in the space... ;)
etc...
From: Lara (MALA)
uff...a MOI-Pamphlet...too late for that, tomorrow...Thanks Pilou...
From: Michael Gibson
Hi Lara, the line that you can't delete is a squished down surface, those don't behave properly for click selection but you can select it by dragging a selection window around it and then deleting it.
The red piece is a little off from doing a loft between 2 curves of different shapes - when you loft the surface you make will try to connect together at equal distance traveled along each one and since the lower one is longer it's going to kind of shift towards the spiky part of it.
You can get a better idea of this by separating out that piece and using Edit > Show pts to show the surface control points, you can then kind of see how the top and bottom are connecting together from the control points.
Ideally you would get a better surface there by doing a straight extrusion downwards and then trimming it to produce the pointy shape rather than trying to build a surface directly to the pointy shape with one surfacing operation. But I'll have to see if you will be able to get an accurate enough shape to join to the other surfaces with that way.
- Michael
From: Michael Gibson
Hi Lara, please see the attached 3DM version for a replacement for your red surface.
The way I made it was not by directly lofting between that upper and lower edge but instead extruding this one downwards:
So that makes a very regular shaped and extended surface like this:
Then trim it with this to slice the bottom chunk off:
So often with NURBS modeling you don't want to try and build a surface that directly hugs along some irregular shaped boundary, it's often better to build a simplified and extended surface sheet which then gets the irregular boundary applied to it by a trim or boolean cutting operation. That's the main way to get higher quality surfaces, when you trim a surface the surface shape stays the same and it just gets new trimming boundaries on it marking which areas of the surface are active.
Hope that makes sense!
- Michael
Attachments:
ArtForumMOI2.3dm
Image Attachments:
LaraExtrudeTrim1.png
LaraExtrudeTrim2.png
LaraExtrudeTrim3.png
From: Michael Gibson
Hi Lara, also I just noticed a couple more of those "squished down surface" pieces in there. Another way to get rid of those is to select your main object, and then on the side pane go to Select > Invert which will invert the selection and get the degenerate surface pieces selected so they can be deleted.
A click on a degenerate surface (meaning a surface that is compressed down so it has no actual surface area and looks like it is just a line or a curve) will not select it but other means such as a window select or invert selection or using the scene browser can select those.
Those are usually not things that you want to make, but you can end up with them if you do something like maybe loft between 2 identical curves or if you accidentally squish down a surface so it's all compressed.
- Michael
From: Death
@Lara
Still just a simple Boolean, just with an offset object...
Instead of trying to "melt" 2 objects together, try 3. Space them apart, insert the bridge object you want, Boolean the whole kittenkaboodle and then fillet to desired width.
Goes like this: Draw your first box object, rotate it holding the CTRL key (gives you a copy). Move the boxes where you normally would, only leave space for twice the fillet size you want, then make a bridge object to match (another box). You now have three boxes which you need to "Boolean Unite" and then fillet. Done..
Image Attachments:
test02.png
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