Pro Smooth Blending of objects Advise All  1-8  9-18

 From: Stever_uk (STEVER) 12 Dec 2011  (9 of 18)
 4781.9 In reply to 4781.8 thanks my friend

 From: Michael Gibson 12 Dec 2011  (10 of 18)
 4781.10 In reply to 4781.7 Hi Steve, > Till this time I used Boolean Diff/Union is there a difference > between this and edit/trim/join Trim and join are sort of more "low level" tools than the booleans. You might kind of think of the booleans as a sort of batch mode trim & join where they do a similar job but automatically decide which pieces to discard from the trimming according to what volume they are contained inside of. Trim will cut things up but then it's up to you to pick which pieces you want to discard, and then you will need to follow it up with a Join afterwards - those steps are basically built in to the booleans so it's sort of more convenient to use the booleans when possible (which is basically when you are working with solids). > Till this time I used Boolean Diff/Union You could still use boolean union in this case if you made the pieces stick through each other a little bit instead of having that side piece sort of exactly skimming along the outer surface of the main body - it's that skimming situation that the booleans are having difficulty with in your particular case here, when they try to intersect the 2 surfaces they are not getting a clean intersection result because the side surface has just a tiny amount of empty space between it and the main body in a few areas. - Michael

 From: Michael Gibson 12 Dec 2011  (11 of 18)
 4781.11 In reply to 4781.1 Hi Steve - attached here is what I mean by moving your object a little bit over so they push through each other. If you look at this one, the side object is sunk down a little ways into the main body instead of just skimming right along its surface. Now you can use boolean union with it as you were trying to do originally. It's easier for the booleans if you make pieces push through each other a little bit like this rather than making pieces that barely touch. - Michael Attachments:

 From: Stever_uk (STEVER) 13 Dec 2011  (12 of 18)
 4781.12 In reply to 4781.11 right gotcha, Thanks again Michael

 From: Stever_uk (STEVER) 19 Dec 2011  (13 of 18)
 4781.13 In reply to 4781.11 Hi, Here's another example I seem to run into quite often. I'm trying to blend/loft these two pieces together however as you see the main piece is not a clean surface it has surface lines which seem to mess up the potential blend. What would you do in this situation? EDITED: 19 Dec 2011 by STEVER Attachments:

 From: Michael Gibson 19 Dec 2011  (14 of 18)
 4781.14 In reply to 4781.13 Hi Steve - so in a case like that if you want to use Blend you have to split up the long edge into pieces so that you'll have a 1-to-1 match between edges on both sides. You can use the Edit > Trim command to cut an edge up into smaller edge pieces - select the edge, run Trim, then click the "Add trim points" button and then you'll be able to click the points on the edge where you want it to be split at. I will be working on upgrading Blend in v3 so that you won't need to do that anymore, but for now you've got to arrange your edges so that there is a matching pair of edges. - Michael

 From: Michael Gibson 19 Dec 2011  (15 of 18)
 4781.15 In reply to 4781.13 Another thing you might do to make things easier would be to take this curve here which is made up of 3 segments: Join those together and run the Rebuild command on it http://moi3d.com/2.0/docs/moi_command_reference10.htm#rebuild You get those additional edges in your original one because the curve that you were extruding was made up of several segments - the segmentation of the curve will come through into surfaces that you construct from it, with one face for each segment of the original curve. So you can eliminate those interior edges by reforming the curve to be made up of just one single smooth segment instead of being multiple segments - the Rebuild command is the easiest way to reconstruct a curve like that. Then when you extrude it, you'll see it's just one surface instead of multiple faces: - Michael Attachments: