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This whole overall mechanism of having "underlying surfaces" and trim curves is what makes NURBS modeling very different from polygon modeling, and it's also why NURBS modeling works well with boolean operations, because when you do repeated booleans onto a NURBS object, the original surfaces stay all the same and only new trim curves get created or modified, it helps keep the original surface structure to stay simple.
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Then you will get a different result when you do an "untrim" afterwards. Sometimes that is useful if you have trimmed away a large area of a large detailed surface for example and only have a small fragment left, by default the whole original surface will still be underneath everything but when you do ShrinkTrimmedSrf it will shrink it down and only keep the area around the current active area. It shrinks down underlying surfaces, until they are just big enough to hold the trim curves. One other command that is generally related is "ShrinkTrimmedSrf": To trigger the command set up a shortcut key and put in the command name which is SeparateSelectOuterLoopsDeleteTrim (note - put in just the plain command name SeparateSelectOuterLoopsDeleteTrim, no extra "script:" at the front, no ".js" at the end).ġ0.png 2.jpg 2.png 5.png 6.png 7.png 8.png So I think this fundamentals must know everybody.Ĭopy SeparateSelectOuterLoopsDeleteTrim.js into the \commands sub-folder inside of MoI's main installation folder, then that will make a new command available named SeparateSelectOuterLoopsDeleteTrim. Now this process is much more simpler by using SeparateSelectOuterLoopsDeleteTrim comand.įor me things that I described here was the most important things that I learned since I started to use MOI.
#Moi3d v2 addon how to
So using this script we can remove fillets, chamfers and any changes that was made by Boolean operations.įor me the biggest problem using MOI was removing fillets, so before I saw Michael repair tutorial I have no idea how to remove them, except long process of creating new geometry that will replace fillets. Or when we create solids from draw solid menu.īut now 1,2,3 steps are fully automatic thanks to SeparateSelectOuterLoopsDeleteTrim.js script.Īll you need to do just delete fillet than select solid run script and than select faces to trim and than join remained surfaces. This big surfaces will not creates when we create surface by using loft, sweep, network e.t.c. So Initial state of this surface will be the surface that MOI creates before automatically trim it using your 2d curves. We see these big surfaces on Step 3, because when MOI creates surfaces by planar or extrude from 2d curves, it creates surfaces that is bigger than you 2d sketch and than automatically trim it using your curves. Join remained surfaces to make solid in it initial state.
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Select all surfaces and run trim command than remove all extra faces.Ĥ. Delete outer loops of all surfaces to reset their initial states*ģ. Separate all surfaces (it's clear without snapshot)Ģ. So to reset solid we have to reset its surfaces.ġ. Or select surface and run SeparateSelectOuterLoopsDeleteTrim.js script to make this process fully automatic.Īll solids in general are joined surfaces that form this solid. To reset surface to its original shape, you have to select all outter edges that makes loop and delete them. I think it is very important thing that make life easer!
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To remove holes inside surface just select its edges and press delete, hole will disappear. So remember ANY TIME WE CAN RESET SURFACE TO ITS ORIGINAL STATE. And trims that change outer shape of surface. There is only 2 kinds of modification of initial surface:Ģ. So any holes in it or trims that was made can be deleted, to "reset surface". Original state is state when surface was created first time. Some basics, that every body MUST know about surfaces!ĮVERY SURFACE CAN BE RESTORED TO ITS ORIGINAL STATE. I asked Michael to make this kind of script and in 2 days script was ready, thanks Michael. I have no idea how surfaces form and how they can be reset to their initial state.Īfter trying method that Michael show I thought that it is possible to automate about all steps of this procedure, so for example removing fillet become more simple action that can perform any unskilled user. I use MOI more than half of year but have know idea about this method. Not long ago I know about method of repair objects that Michael discribed here: In this topic I want to share with you some new technique witch allow to repair objects, remove fillets, restore faces.