Questions tagged [freecad]

FreeCAD is an open source 3D modelling software application for designing parts.

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7
votes
3answers
9k views

Split/edit part in FreeCAD?

I'm trying to modify some parts on this thing. I'm kind of new to dealing with the modeling aspects of this. I am attempting to widen the part essentially 3mm. This would involve modifying the chain ...
6
votes
2answers
4k views

FreeCAD to design moving parts

I am trying to create a mechanism with moving parts, and would like to see how it works (whether it even works) before printing it. For example, there's a servo with a bracket, and I would like to ...
4
votes
1answer
2k views

In FreeCAD, how do you copy a sketch from one plane to another?

I'm using FreeCAD, and I would like to duplicate a 2D sketch on another plane, but I can't seem to find an obvious way to do this.
4
votes
1answer
2k views

How to design a worm-gear in FreeCAD?

I want to print worm gears for my robot arm. I would like to design it in FreeCAD. Normally, I would use involute gear for regular gears. However, this tool cannot be used for worm gears. I can't find ...
3
votes
4answers
120 views

How can I convert a mathematically defined shape into a 3D printable G-code file?

Suppose I have the X, Y, and Z coordinates (either in a list or a function z = f(x,y)) that defines a shape as the one provided and I want to 3D print it with a solid bottom, is there an easy way to ...
3
votes
2answers
161 views

Creating a 3D modelled "mold over" an imported object

Let's say I've made a 3D scan of my face and managed to get that into FreeCAD. How might I then create an object (it's a mask, okay?) that conforms to the shape of my face, with a given thickness, ...
2
votes
1answer
145 views

Beginner FreeCAD question on axes when sketching

I am a raw beginner at FreeCAD and 3D draughting. Watched some tutorials and designed 2-3 simple items. Aiming to use it for 3D printing. My question relates to 2D sketching. As I understand the ...
2
votes
1answer
152 views

OpenSCAD / FreeCAD splitting, hollowing and threading model

I had a thought the other day that it's 100 % waste to have either a solid or hollow 3D-printed model in relation to utilizing the space inside of it for different modules, e.g. secret compartments, ...
1
vote
2answers
94 views

FreeCAD: Scene doesn't look 3D [closed]

I finished a 3D object for 4 wheels, but something seems wrong with the final scene to me: The nearer wheels (#1 and #2) appear smaller than the far one (#3 and #4), and the distance between wheel #3 ...
1
vote
3answers
286 views

Sketchup Free STL import in FreeCAD not working with Fasteners Workbench

Hoping to get some help with something I'm trying to accomplish. Unfortunately, due to my being a noob with 3D modeling in general, I'm coming here for hopefully more direct help. ...
1
vote
0answers
48 views

How do you marry two object's holes in Freecad? 3D printing a drone

I am 3D printing a drone and I need very good tolerances for the holes so the arms and motors align correctly. I have two sets of 4 holes for two solid objects (Imported as STEP) I want to align the ...
1
vote
0answers
45 views

Showing dimension of a model in FreeCAD [closed]

I had a simple model imported into FreeCAD and I'd like to know the dimension of the bounding box for the model, how do I do that?
0
votes
2answers
253 views

Cura imports FreeCAD stl wrong

I am trying to import an STL file, I created in FreeCAD. It has a hole in the hull of the object and behind that hole there are two pins inside the object (see attached FreeCAD screenshot). When I ...
0
votes
2answers
72 views

How to fill these squares easily

I have an array with holes that I have to fill with different materials. My question is there is an easy way to fill them directly? I tried array, array draft and it is annoying to adjust them. In ...
0
votes
0answers
40 views

How To Extrude These Cubes Array?

I apologize if the questions sounds stupid, I want to extrude these cubes only, I tried to select all, the freecad froze, and when I select the edges, it also say, no shapes selected for extrusion, ...