Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options answers only not deleted user 34531

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.

3 votes

Can't use "Knife Project"

Your shape seems closed, it looks like it can't work this way, so just open it:
moonboots's user avatar
  • 168k
3 votes
Accepted

Making a hollow cylinder - Blender 2.80

It really depends on what you want to achieve at the end, but you can begin this way: Put your logo as a Background. Create a circle as large as the logo's C. Press E to extrude, presse Enter, …
moonboots's user avatar
  • 168k
0 votes

Knife Project, bad result

Once you've done your Knife Project operation, don't delete the vertices, instead press X (Delete) > Faces Only.
moonboots's user avatar
  • 168k
0 votes

Pushing back part of extruded region after using knife tool

Try the Destructive Extrude addon, demo here, download here. Once activated select your face(s) and altE > Destructive Extrude.
moonboots's user avatar
  • 168k
2 votes
Accepted

How to cut the same geometry into two similar meshes?

To cut through with the knife, press Z after you've pressed K. It won't work if you've selected 2 objects though. You could also use the Knife Project tool for the same kind of purpose, it would allow …
moonboots's user avatar
  • 168k
0 votes

Wierd shading when cutting faces

As Christopher Bennett explains, you have ngons all around, it creates artifacts when the surface is round. What you should do is use the current topology, here is a solution:
moonboots's user avatar
  • 168k
6 votes
Accepted

Using knife project method to make a shape into the mesh

You could do the other way around, beginning with the shape then extrude to get your rectangular object, at the end when you'll give it the Subdivision Surface modifier it will just need a bit of work …
moonboots's user avatar
  • 168k
3 votes
Accepted

some vertices won't snap when using knife tool

The vertices you're trying to snap to are not part of the face you're trying to cut through. You can't cut through nothing to join a vertex to another one.
moonboots's user avatar
  • 168k
5 votes

How to wrap a 2D shape and Knife Project toward a cylinder axis?

You could begin with a 2D shape: Give it a Simple Deform modifier, Bend mode, 360° on Z: Solidify, etc:
moonboots's user avatar
  • 168k
2 votes

How to mirror knife cuts on existing mesh?

The knife cut won't be symmetrized automatically with the X symmetry option on, this tool will only move or remove the vertices that are moved or removed on the opposite side. What you can do though i …
moonboots's user avatar
  • 168k
3 votes
Accepted

Blender 2.8: how to cut non visible edges?

To cut through, press Z just after you've activated the knife. And press C to cut perpendicularly to the view and ctrl to cut an edge by its center.
moonboots's user avatar
  • 168k
1 vote
Accepted

Making a printable half sphere with a cutout in it for 3D printing

Once you've deleted the face you can extrude your object to give it thickness, or give it a Solidify modifier then apply. If there's already thickness you could extrude your F and use a Boolean modifi …
moonboots's user avatar
  • 168k
1 vote

How do I remove the overlap from merged meshes?

You could do it with the TinyCAD addon or with some extrudes. If you want to start with your 3 parallelepipeds you could use the TinyCAD addon: Download and istall the addon. Join your parallelepip …
moonboots's user avatar
  • 168k
3 votes

Knife Project not available 2.8 (trying to cut two shapes out of one)

You need to select the first object, then the second, then go in Edit mode, then header menu > Mesh > Knife Project. Note that it will take your view angle into account. If you want to project the in …
moonboots's user avatar
  • 168k
1 vote

Cut/mask multiple planes along a circle at once

We lack a bit of informations about what you want to do but let say you just want to dig a hole circle on your shape: Select all your beams, join them with J. Create a cylinder, make it invisib …
moonboots's user avatar
  • 168k

15 30 50 per page