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Ironstrom

Preassembled Iris Box by Emmett without sharp base

by Ironstrom Sep 24, 2017
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Hi. Could you post your OpenSCAD file? I want to resize it and adjust tolerances a little, but I cannot do it with the STL alone. Thanks!

Preassembled Iris Box
by emmett

Hi. Thanks. I saw that one. How do I get rid of the pointy ends, like in your model? I am not that familiar with OpenScad

I used TinkerCAD. Its like the MS paint of 3d modeling. It's free and all online, so no software to download and you can sign in from anywhere and have all your files. I uploaded the STL from Emmett, and dropped a low poly cylinder on it. TinkerCAD is probably not going to do what you want it to though.

Nope, but you just dropped an idea that might work. I could adjust tolerances in the model, extract the stl and use meshmixer or Tinkercad to round up the sharp tips on the base.

Dear Ironstrom,

External shell from your .stl file is missing.
You forgot external shell.

I hope you will fix it soon :p

Edit: problem in my side, I have part missing with slic3r 1.33.8, and no issue with RepSnapper 2.5

Strange...What program are you using to view/print it?

I just downloaded the file from Thingiverse to double check, and it looks good to me. Others have successfully printed this model as well.

Thanks Ironstrom

I downloaded again your file, and sliced it again with slic3r version 1.33.8 and I get same missing piece...
I try with SphericalIrisBox.stl from https://www.thingiverse.com/thing:1811143 and I get all parts (no missing part after slicing).

I check your file NS_Iris_Box.stl with RepSnapper 2.5 and no missing part after slicing...
So, I have a problem in my side, with Slic3r.

Sorry about my noise.

Preassembled Iris Box
by emmett

I have noticed with a few stl. files that some slicer programs will complain that the model is not "manifold" (meaning it wont hold water). If the warning is ignored, the slicer will fail to create the proper layers, and pieces will appear missing from the model.

Honestly; I'm not sure how to fix it. It could be an issue with freeware slicers and stl editors like TinkerCAD that don't play nice together.

Don't worry, I will try with anothers parameters and another softwares, I want print your model.
Today, I learn that result may vary when slicing stl files, depending from software, even using same parameters...

thanks for you attention.

Dear Ikxe,
I use Slic3r and have had the same problem you are getting
if you Windows 10 it comes with 3D builder pre-installed
go into 3D builder and import the STL file
it usually says this model needs some repairs
click on repair and it will repair it
then save the STL file
and import your SAVED file into Slic3r
it always works for me
I know that I am very late and am probably no use to you now but if you are having this problem with other files this method should help
please message me if it doesn't work.
-GV

EDIT: if you don't have windows 10 I don't know if you can get 3D builder without windows or not.
if you can get it from somewhere else then please follow the steps above
if not then I am very sorry :( as I can not help you
Happy Printing!
-GV

I have added a "fixed" file that I ran through Netfab's stl fixer... hope that helps :/

Edit: I checked both files with Slic3r. The "fixed" file appears to perform as it should.