Questions tagged [knife-tool]
The Knife Tool cuts new edges into meshes, adding vertices to user-defined points regardless of existing topology. The Knife Project Tool projects the topology of one object onto another, using the current view angle. Use this tag for questions pertaining to the Knife Tool and the Knife Project Tool.
273
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How to cut the same geometry into two similar meshes?
I am modelling an airplane, and I want to cut windows into both it's front doors. Every door is a separate object.
What I tried:
I selected both doors in Object mode
I went into Edit mode
I pressed <...
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385
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Impossible to cut terrain surface with knife project tool
I am struggling to cut a terrain mesh with several triangles with the knife Project tool.
I defined the auxiliary geometry and selected the two entities, but when I apply the Knife Project button, I ...
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Is there an add-on for a knife-like tool for curves?
For instance, splitting a Bezier circle into cyclic halves cutting across its diameter is quite tedious when directly manipulating segments, control points and handles. Things get complicated when ...
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474
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Punching a Hole
Alright, I am new to Blender, I have watched many videos explaining how to make a hole in a mesh, but all the examples use just a plane or a cube,
I am making a Helo/Jet or VTOL with props in the ...
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How to fix shading issue on the topology of the modified cylinder?
The model is a modified cylinder by moving some of its faces upward along Z axis. It has a shading issue shown on the following screenshot. How to fix this please?
The following screenshots are what ...
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Boolean Tool is not cutting properly
I am currently trying to make a 5 gang box faceplate for 5 drok meters to measure power. I was able to use the boolean tool to cut out the screw holes and one of the meter inserts. However, when I use ...
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Knife tool, Subdivide faces, edge select do not work in blender at all to make a rudimentary split face
I dont understand why something that should be so simple in any 3d modeling software doesn't work in Blender
All I want to do is splice these faces to add a door to my floor plan
I tried using the ...
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84
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Strips cut on video mode
I don't know if you already tried to edit a serie of videos on blender. It's very hard because of the mosto common tool isnt there.
WHAT WE DO:
I'm pointing player cursor on a place in strip, cutting ...
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475
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Knife tool bugging out in certain areas
I'm using the knife tool to cut out landmass shapes on a simple plane object. Most of the time it works fine, but on certain areas, I get this weird ghosting effect with the cursor rapidly shifting ...
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106
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Knife project that's not along view axis?
The knife project tool cuts a mesh by projecting a curve along the view axis. Is it possible to do the same thing using the normals of the curve instead? Imagine engraving text onto a mesh modeling a ...
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148
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Rotate view with active knife tool not possible with Maya settings
I am using Blender 2.93 with Maya modelling settings (alt + left mouse button for tumbling). It's not possible to rotate the view while using the knife tool. How can I fix this problem? Thanks for any ...
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3D Knife Project / Boolean Cut
Say that I have two intersecting cones:
Is there an easy way to cut the contour of this intersection into the mesh of one of the cones?
While I do have a functional workflow (see answers), it is ...
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Copying a meshes intersecting outline from the top down view
I have a sliced shape that I would like to copy it's outline as it's seen from the top down view (looking straight down on it).
Example:
I have an equation that is sliced by a plane using the ...
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Knife tool just not working on simple object
I'm trying to slice my 'house' so I can create a ridge, but the knife tool doesn't seem to work on this object at all. Despite snapping to the verticies correctly, as soon as I press enter, it just ...
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Selecting 1 side of an edge loop in a mesh
Hi, I created an edge loop by knife tool on this model (with K , then Z shortcuts in edit mode).
Now, how can I select all the vertices only right or left side of it (selected vertices will be ...
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How do I use CTRL-R to cut all the way through an object, not just one face? [duplicate]
Can you please tell me if there is a handy shortcut or hotkey using CtrlR or the knife tool to cut ALL the way through an object and not just it's face? I want to make a simple cut to make the tape ...
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Knife tool with Maya Settings
My knife tool (with Maya presets) will not introduce a vertex with LMB, but automatically introduces them on edges when I cross them (despite not pressing LMB). When I switch to Blender presets, the ...
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Trying to delete bad face, can select edges but not face
I am using knife project onto an object to make recessed portions. On the edge of object, I would like to inset and do a negative extrude, however, I end up with a thin face I cannot get rid of with ...
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Cut a face while snapping to vertices
I'm trying to cut a face along vertices. Basically, I've got one object (all one mesh) and I need to cut some parts out. I've already got the vertices in the right places. I've managed to create a ...
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Problem cutting object - results in polygon
[Translated]: I can't cut the object normally, instead I have a polygon. How can I fix this so that it no longer exists?
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Is there a way, maybe by an add-on, to subdivide mesh faces, in edit mode, at a fixed step?
I wish to subdivide (vertically and/or horizontally) aligned faces but with different dimensions (i.e. I can have 2 or more vertically aligned faces with the same width but each with a different ...
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295
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Mesh artifacts after Knife project
I used a Knife projection tool to cut the cockpit window out of a fuselage. But after that, I get some artifacts. (These weird lines coming out of the window.) Cannot understand what is the cause for ...
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knife tool doesn't work [duplicate]
I'm trying to use the knife tool. I click on the tool and it does appear.
But when I try to press LMB to cut, instead of the guidelines I am supposed to create appearing, the only thing that happens ...
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Using knife tool to cut all around a an object
Please see the following https://www.youtube.com/watch?v=PK36W234WV0 specifically @ 12:40 where the knife tool us used to cut not only the top face but all around the cube.
When I try and do this I ...
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How to get a plane to intersect and join/merge with the perpendicular plane?
I'm trying to model my house as a way of learning Blender. I'm having a problem filling in a small hole after following a tutorial about roofs.
It's best demonstrated with a video, but basically I ...
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Snap vertex without deforming mesh
Summary of Problem
I would like to be able to move vertices, without deforming the surrounding mesh or edge, while snapping to another vertex or move it by a specified unit distance (Not percentage). ...
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Why do grey faces appear on inset faces after using the knife tool?
When I use the knife tool with angle constrained on an inset face it leads to these weird grey patches appearing on the face and I don't know what they are.
Is there any way to use the knife tool on ...
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1k
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Is there an addon to improve the knife tool?
I see how to use the knife tool to draw shapes by clicking points along, say, an imported image in the background. But I want to know if there is a way to draw 2d shapes with precise angles (90 degree,...
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Airplane windshield
I’m trying to create a high detail 787 and I am currently on the windshield part.
My question is how do you properly model a knife project object to work on all axis?
Here’s my current window cutout:
...
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How to use one object to cut a hole into another one [duplicate]
My issue is that I have 2 objects in edit mode, I want to use the second object to cut the first one to make a hole.
I hope the image can make what I want a little clear because I don't find the ...
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knife tool 2.8- used in past with no problems
Vertices are not appearing when I drag with the knife tool across the object in edit mode. Am I missing a toggle somewhere? I would include a picture/screenshot but wouldn't really show you anything ...
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How to make a precise bolt hole in a simpler way?
I'm new to blender and using it to create 3d objects for my printer.
Part of this is "cutting" holes for bolts very precisely which I managed to do but my way is so long/tedious I must be missing ...
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1k
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How to evenly divide a face when loop cut doesn't work
I have a face. It is rectangular, but has extra vertices linking it to surrounding faces. From what I've read, these extra vertices are likely the reason why loop cut (my go to tool for this type of ...
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3k
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Having trouble with knife tool
I am having an issue with the knife tool. I'm attempting to make a cut where the maroon line is in the above image, however, when i click the left mouse button, the line goes away, and no cut is made. ...
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257
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Shading Issues after knife project
Just starting out in the world of Blender 3d and I am trying to replicate the bottle below but am having difficulty creating the ridges that go around the centre of the bottle.
I have tried a couple ...
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Messed up Topology (Shading?) due to the usage of the Knife Project Tool
Dear Blender Stack Exchange Community,
After trying to model a sword (after a concept art) I did run into some issues after using the Knife Project Tool. I am trying to add some Screws using the ...
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157
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Blender cutting face to fit a hole
I have a hole like this in my mesh
I wish to fill these 2 holes by cutting larger faces to fit, that way I don't have to do the UVs myself since these large square faces already have UVs. Example:
...
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Delete parts of a grid outside of another object
I created a grid (as multiple curve paths) which is in and outside of a sphere. When I'm trying to delete all parts outside with the Boolean Modifier, it says "Cannot execute boolean operation". How ...
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Is there a way to rotate and pan view while in knife tool and other tools that lock the view ports?
It seems there are many tools, such as the knife tool, that cause the viewports to lock up when you are "in" the tool. By "lock up" I mean that while in the tool I cannot rotate, pan, or zoom the view....
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Knife Tool Project - Cutting Away Volume
I am trying to create a model for 3D printing. I am trying to have this cylinder and hexagon shape "cut away" from the main mesh. How could I do this? It is to be the negative space of a bolt and a ...
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Edges created via knife tool cuts in Blender visible in object mode?
It's my first time posting on stack exchange so excuse me if I overlook some common courtesy with this post. I'm pretty knew to Blender, about a month in, and I'm working on retopologizing a mesh so I ...
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Knife Angle constraint wrong cuts
I cut with Knife tool > angle constraint(relative) with 30 degrees increments and it works kind of weird. Should it work like that?! https://drive.google.com/file/d/...
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Is it possible to have the Knife tool cut non-straight lines?
Beginner user of Blender here. Would it be possible to have the Knife Tool draw unstraight lines similar to the Annotation Tool..? Basically, what I want to do is to try and cut out a part of an ...
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Can someone please explain to me why the knife tool is not working on some of the faces [closed]
I have been stuck here for a while and I couldn't figure out why the knife tool is not working on some parts of the mesh.
This will clear a lot of confusion for me so please help me out here.
Here is ...
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Sometimes I am unable to make the most simple cuts with knife
I am unable to cut a face with 4 vertices and a simple and "one-way going" topology.
I had issues with it before, so I had to cut something a couple of times before it worked. After I cut ...
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Dissecting equal sized parts of cylinder
I am trying to create a cylinder that is dissected into 10 equal sections (filled layers!) to be printed later on. Essentially like in the picture but without those gaps in between, so far I have not ...
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336
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blender object doesnt scale, new vertices appear instead
Im new to blender and this happens when I try to scale extrude etc. The object itself doesnt transform and new vertices appear istead.
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Knife project not working (Blender 2.93.4) [duplicate]
Select the circle
Shift select the cube
Enter Edit mode
knife project
And it doesn't work
Has something changed? What I'm doing wrong?
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How to disable snapping for knife project?
I am trying to cut two different meshes A and B with the same polyline P so that I can join A and B afterwards with no holes or anomalies. I am using the knife project tool and this works quite well.
...
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Bmesh: How to select newly created vertices?
I'm running bpy.ops.mesh.knife_project(cut_through=True) using an Edge to Slice a mesh.
Next I want to select newly created Edge loop and remove all other vertices. I'm thinking of capturing two ...