this post was submitted on 19 Nov 2023
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3DPrinting

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I've never used a 3d printer before but want to get one. I have a bit experience in blender but not too much. My question is: How do you model for a 3d print? For example, if I want to print a hollow cylinder, I go into blender, create cylinder and delete the side faces. If I print this, the walls will be pretty thin. Do I have to make them bigger manually? and if I do so (extrude and scale) does my slicer (cura) automatically fill in the solid part?

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[–] [email protected] 20 points 1 year ago* (last edited 1 year ago) (6 children)

If you're new to 3d printing, I would avoid Blender. It's too easy to create non-manifold and non-watertight objects with it.

In your example, the walls aren't just thin, they have no thickness whatsoever and would not even appear in your slicer.

I would recommend trying Fusion 360 if you're not on Linux, openSCAD if you have a basic understanding of coding, or even TinkerCAD (web based) if you're not making anything too complex. Those are made to create physical objects.

[–] [email protected] 3 points 1 year ago* (last edited 1 year ago) (3 children)

Fusion360 can run on linux using WINE, HERE is a GitHub repo showing how to set it up.

Or the web version works on linux too ofc

That being said I use and recommend onshape if you aren't planning on doing this for a company professionally that already uses F360

[–] [email protected] 2 points 1 year ago (1 children)

Good to know! I just saw a post somewhere around here recently by someone who had troubles on Linux, which is what I based this off of (a little hastily).

[–] [email protected] 1 points 1 year ago

Ya I don't doubt people have troubles with it since you need winetricks and such. Hopefully they see that github page eventually and get it working.

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