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How to make holes in Sphere with good retopology?

The base topology of this looks to me like a Geodesic Dome, or Bucky-Ball. This can be reached vis the shipped Add Mesh: Geodesic Domes add-on, or by taking the dual mesh of a base Icosphere. The dual ...
• 77.3k
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How to make a cube with cylindrical ends?

Make a cuboid in the dimensions you want the object to have, if you scaled it in Object Mode make sure afterwards you apply the scale with Ctrl+A > Apply > Scale. Tab into Edit Mode and select ...
• 30.1k

How can I "properly" merge two cylinders so I can bevel the connection between them?

Is it possible you don't need to 'merge 2 cylinders'?.. Can you can just Alt E extrude the second from the outer faces of the first, and bevel?
• 77.3k

Best approach to recreate following insets

You could begin with a plane and draw the same shape: Then give it an Array modifier (with a Count of 4) and a Simple Deform (Bend mode, 360°): Move the horizontal edges in order to reduce the top: ...
• 160k
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How to make a smooth transitioning hole in a cookie with glazing

Go tab into Edit Mode and add/position a cylinder to the spot you want to cut a hole in. Make sure it extends to the other side as well. Select the whole cylinder and press Ctrl+F > ...

How can I "properly" merge two cylinders so I can bevel the connection between them?

I would have modeled this completely different right from the start. The easiest and quickest way would be the one by @RobinBetts but here is another one so that you get an idea what other tools exist ...
• 30.1k
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Problem with radial array trying to be cut out as a cube

It seems like Cast modifier in Cuboid mode will work for you. In the below example I moved the default cube in Edit mode so one of the sides ends on the world origin, then I moved the opposite side ...
• 36.9k

How to use an svg to cut *many* holes into a flat plane?

If you import the SVG into blender it'd be a path/Curve. If you go to the curve tab on the right hand menus and set it to 2D, and Fill Mode 'Both' it should give you a flat object where the inside ...
• 1,104

The large face with cut-out holes is non-planar, which poses problems during rendering. To ensure planarity within your example, all encircled vertices must have the same Y position as the plane's ...

merge and mesh confusion

It sounds like you're looking for Boolean Union, with that modifier then applied. I tried to recreate your image below. Here's the two objects without the modifier and without being joined. Using the ...
• 61

The Boolean modifier is not working

In Blender 2.8, if boolean operations fail because of double geometry Removes Doubles is now found in the menu, Vertex > Merge Vertices > By distance.
• 161
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How to cut a curve

Curves have no boolean modifier, but you can redo it with few geometry nodes: Add a geometry node modifier and create a new node tree. Add an object info for the cutter object and link it in the ...
• 60.4k
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Can't boolean with geometry node'd object?

You have to add a Realize Instances node after Instances on Points.
• 2,364

How can I remove jump lines created by boolean modifiers?

The answer linked in the commentary to your post is correct, faces cannot have holes within them, so each hole needs a minimum of two faces around it or put differently: a hole needs at least two ...
• 30.1k
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Mesh Looks pixelated with boolean modifier

Maybe use a low-poly topology and you won't have any pixelation: Modeling:
• 160k
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Maybe use this topology instead: Begin with that hole: Bevel the corners: Join the vertices to get this topology: Dissolve the other edges:
• 160k

How to make a cube with cylindrical ends?

Add or use the default cube and scale on either $X$ or $Y$ axis as desired. Bevel the vertical edges with ⌃ Ctrl + B and C also to use clamp overlap option. Use the Merge by distance operator to ...
• 12.4k
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Animating the hole in a boolean object

If you add this geometry nodes modifier to your curve: you get this: Yes, the geometry nodes setup converts your curve to a mesh and uses then mesh boolean to do the boolean cut. But it is still a ...
• 61.3k

Animating the hole in a boolean object

Edit: It looks like I misinterpreted your question as before your edit I thought that you were talking about a 3D curve... You can still use a curve: Create a cylinder (with no cap), give it an Array ...
• 160k

What's the most efficient way to get rid of this overlap? (Boolean didn't work)

This isn't really a job for a Boolean, if you can avoid it...it's modelling. One way would be to start with a couple of quads covering the region of interest: I inset, by the thickness of the sill, ...
• 77.3k

Fake god ray solution. How to perform a boolean operation and extend the affected area beyond the cut out object's geometry

If we're willing to pay a price in vertices, we don't need to use a boolean at all; we can simply ray project our mesh: The base mesh is selected, with modifiers disabled. I start with a solidify ...
• 24.8k

How can I use a boolean to substract a part of a bezier curve?

A node set up like this allows me to Boolean difference a curve. Be sure that your Bezier curve has no bevel in object data properties. Otherwise, the geometry input would be a mesh and the Curve to ...
• 1,160
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How to create irregular shape on phone case?

you can bevel corners with the shortcut CTRL+Shift+B If you want a non-destructive workflow, you can add a bevel modifier with a high angle value. It should work in your case This is what I was able ...
• 2,643

Boolean modifier isn't showing the entire shape of the cut in solid view mode or when I render it. Don't know what I'm doing wrong

Because you use just two joined cylinders as the boolean object (can be seen in your sixth screenshot). This is not a valid manifold. You either apply the cylinders separately with two Boolean ...
• 3,384

How to cut holes into cylinder top with Boolean

Select the cylinder and go into edit mode. Select all and press shift + N to recalculate normals. Select inside and go back into object mode. After applying the boolean modifier you should find that ...
• 137
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not smoothly connecting between two objecs using boolean union

You should better redo it: First in Edit mode select all and CtrlE > Un-Subdivide to simplify the topology (tweak the parameter in the Operator Box, you can even simplify more), select 8 faces: ...
• 160k
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blender api modifier_apply throwing "context is incorrect" error

bpy.ops.object.modifier_apply() work on an active object, use context.view_layer.objects.active = obj before ...
• 2,203

blender api modifier_apply throwing "context is incorrect" error

You can use a context override so you don't have to mess with selection state : ...
• 31.2k
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What's the most efficient way to get rid of this overlap? (Boolean didn't work)

I've managed to find my own way through this! Here's what worked for me: Create a cube, and duplicate it. Merge them together so that the main cube we want is left with a frame-like shape and use ...
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