#freecad — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #freecad, aggregated by home.social.
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FreeCAD Swag Shop Now Open!
We are super pleased to announce that the FreeCAD official swag store is now open! All the designs in there are made in FreeCAD and we have tee, hoodies, mugs, water bottles and more....
#FreeCAD #Swag #Merch #Opensource #FreeCADFriday
https://blog.freecad.org/2026/09/11/freecad-swag-shop-now-open/
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FreeCAD Swag Shop Now Open!
We are super pleased to announce that the FreeCAD official swag store is now open! All the designs in there are made in FreeCAD and we have tee, hoodies, mugs, water bottles and more....
#FreeCAD #Swag #Merch #Opensource #FreeCADFriday
https://blog.freecad.org/2026/09/11/freecad-swag-shop-now-open/
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FreeCAD Swag Shop Now Open!
We are super pleased to announce that the FreeCAD official swag store is now open! All the designs in there are made in FreeCAD and we have tee, hoodies, mugs, water bottles and more....
#FreeCAD #Swag #Merch #Opensource #FreeCADFriday
https://blog.freecad.org/2026/09/11/freecad-swag-shop-now-open/
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FreeCAD Swag Shop Now Open!
We are super pleased to announce that the FreeCAD official swag store is now open! All the designs in there are made in FreeCAD and we have tee, hoodies, mugs, water bottles and more....
#FreeCAD #Swag #Merch #Opensource #FreeCADFriday
https://blog.freecad.org/2026/09/11/freecad-swag-shop-now-open/
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FreeCAD Swag Shop Now Open!
We are super pleased to announce that the FreeCAD official swag store is now open! All the designs in there are made in FreeCAD and we have tee, hoodies, mugs, water bottles and more....
#FreeCAD #Swag #Merch #Opensource #FreeCADFriday
https://blog.freecad.org/2026/09/11/freecad-swag-shop-now-open/
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Hey wonderful people, it's #FreeCADFriday once again! What are you working on in #FreeCAD at the moment?!
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One further design iteration of my 3D printed lens hood/light baffle seems to have done the trick. v5b goes back to the 5 mm long, 2 perimeters thick telescope interface but bumps up the diameter just slightly for a snug push fit into the aperture on the 'scope. The thread is in place to stop it dropping on to the concrete patio tiles when the Seestar closes itself at the end of the night so hopefully I won't get any more broken lens hoods.
I've designed all these so that they shouldn't induce any vignetting at all, but I'll still take some new twilight flats shortly just in case the illumination is slightly different to the previous version.
The weather forecast says it'll be clear pretty much all night but that humidity will hit 99% by around midnight so it'll probably be foggy before morning. Definitely a night to turn the dew heater on, but the lens hood should also help keep condensation off the lens.
#Seestar #SeestarS30Pro #3Dprinting #FreeCAD #FreeCADFriday #TMMT #ThirtyMillimetreTelescope #Astrophotography #SmartTelescope #SmartScope
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One further design iteration of my 3D printed lens hood/light baffle seems to have done the trick. v5b goes back to the 5 mm long, 2 perimeters thick telescope interface but bumps up the diameter just slightly for a snug push fit into the aperture on the 'scope. The thread is in place to stop it dropping on to the concrete patio tiles when the Seestar closes itself at the end of the night so hopefully I won't get any more broken lens hoods.
I've designed all these so that they shouldn't induce any vignetting at all, but I'll still take some new twilight flats shortly just in case the illumination is slightly different to the previous version.
The weather forecast says it'll be clear pretty much all night but that humidity will hit 99% by around midnight so it'll probably be foggy before morning. Definitely a night to turn the dew heater on, but the lens hood should also help keep condensation off the lens.
#Seestar #SeestarS30Pro #3Dprinting #FreeCAD #FreeCADFriday #TMMT #ThirtyMillimetreTelescope #Astrophotography #SmartTelescope #SmartScope
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One further design iteration of my 3D printed lens hood/light baffle seems to have done the trick. v5b goes back to the 5 mm long, 2 perimeters thick telescope interface but bumps up the diameter just slightly for a snug push fit into the aperture on the 'scope. The thread is in place to stop it dropping on to the concrete patio tiles when the Seestar closes itself at the end of the night so hopefully I won't get any more broken lens hoods.
I've designed all these so that they shouldn't induce any vignetting at all, but I'll still take some new twilight flats shortly just in case the illumination is slightly different to the previous version.
The weather forecast says it'll be clear pretty much all night but that humidity will hit 99% by around midnight so it'll probably be foggy before morning. Definitely a night to turn the dew heater on, but the lens hood should also help keep condensation off the lens.
#Seestar #SeestarS30Pro #3Dprinting #FreeCAD #FreeCADFriday #TMMT #ThirtyMillimetreTelescope #Astrophotography #SmartTelescope #SmartScope
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One further design iteration of my 3D printed lens hood/light baffle seems to have done the trick. v5b goes back to the 5 mm long, 2 perimeters thick telescope interface but bumps up the diameter just slightly for a snug push fit into the aperture on the 'scope. The thread is in place to stop it dropping on to the concrete patio tiles when the Seestar closes itself at the end of the night so hopefully I won't get any more broken lens hoods.
I've designed all these so that they shouldn't induce any vignetting at all, but I'll still take some new twilight flats shortly just in case the illumination is slightly different to the previous version.
The weather forecast says it'll be clear pretty much all night but that humidity will hit 99% by around midnight so it'll probably be foggy before morning. Definitely a night to turn the dew heater on, but the lens hood should also help keep condensation off the lens.
#Seestar #SeestarS30Pro #3Dprinting #FreeCAD #FreeCADFriday #TMMT #ThirtyMillimetreTelescope #Astrophotography #SmartTelescope #SmartScope
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One further design iteration of my 3D printed lens hood/light baffle seems to have done the trick. v5b goes back to the 5 mm long, 2 perimeters thick telescope interface but bumps up the diameter just slightly for a snug push fit into the aperture on the 'scope. The thread is in place to stop it dropping on to the concrete patio tiles when the Seestar closes itself at the end of the night so hopefully I won't get any more broken lens hoods.
I've designed all these so that they shouldn't induce any vignetting at all, but I'll still take some new twilight flats shortly just in case the illumination is slightly different to the previous version.
The weather forecast says it'll be clear pretty much all night but that humidity will hit 99% by around midnight so it'll probably be foggy before morning. Definitely a night to turn the dew heater on, but the lens hood should also help keep condensation off the lens.
#Seestar #SeestarS30Pro #3Dprinting #FreeCAD #FreeCADFriday #TMMT #ThirtyMillimetreTelescope #Astrophotography #SmartTelescope #SmartScope
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I was asked to help with a new fiber connection, so I assisted with some planning and provided these 3D-printed conduit seals:
They are made up of two symmetric halves that fit together without slipping. Clamp them around the cable and push them into the tube. Simple.
As always, I provide the @freecad file along with the printable files so you can inspect and adapt the model.
https://www.printables.com/model/1838517
#FreeCADFriday #FreeCAD #CAD #3DPrint #DIY #Repair #Fiber #Fibre
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Test ride with temporarily mounted speaker (at the air intake) was more or less a success. Instead of single bell ringing sounds I mixed some together into a longer sequence for upcoming tests.
Early adopters download:
https://nueb.net/blob/Kling-el.zip -
Rapid prototyping.
I quickly knocked up v5a of my lens hood/light baffle design (loop for attaching a thread, telescope interface wall 3 perimeters thick instead of 2, but 3 mm long instead of 5, opening half angle increased from 2.3° to 2.4°), printed it on my Prusa Mini+, and put it on the telescope by the time the night was about half over.
I'm pretty happy with the design but it did expose the issues with relying on a push fit. Despite being designed with the exact same outer diameter as my previous lens hoods this one (and only this one) was too loose, and was going to fall out when the telescope moved. An emergency application of a single strip of masking tape on the interface surface to tighten it up may just be enough to keep it in place for tonight, but I'll need to investigate more tomorrow.
I may be partly due to my printer producing a smoother surface than the previous prints that suffered from cold conditions, but I suspect it was actually the shortening by 2 mm that is the main problem. Now that I think about it I recall there being a fine moulding line or seam between parts a few mm inside the aperture. My previous lens hood might have been relying on that for grip, and the new one doesn't quite reach it. I can tweak the dimensions to try to get the perfect fit but I really should find a way to use the magnets instead.
#Seestar #SeestarS30Pro #3Dprinting #FreeCAD #SmartTelescope #TMMT #ThirtyMillimetreTelescope
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Damn. I forgot I broke another of my v5 25° 3D printed Seestar lens hood/light baffles on Tuesday night so tonight the Thirty Millimetre Telescope is wearing the ludicrously large v5 20° design.
These things are getting broken at the end of the night when the Seestar automatically closes the telescope arm, bending the push-fit lens hood out of the aperture and causing it to drop onto the concrete patio below.
The weak point is where the narrow cylindrical section that fits inside the Seestar aperture meets the top of the conical section. The walls are as thin as I can make them at that point because any additional thickness right there intrudes on the telescope beam, losing light. Compounding the issues are the fact that these are printed in matte black PLA which is rather brittle, and they were printed when it was very cold inside the house wasn't doing the layer adhesion any favours.
I don't know whether they're breaking when the telescope is forcing them out of its aperture or when they hit the ground. For now I can reduce the length of the cylindrical section to reduce the moment arm when it gets nudged out and add a loop so I can tie a safety harness to the lens hood to stop it dropping all the way to the ground.
Longer term I can try printing them in tougher filament (I have a spool of PETG-CF I bought for this purpose, but need to swap out my brass nozzle for hardened steel first) and switch to magnetic attachment instead of a push fit.
For tonight I'll just turn off the automatic closing function of the Seestar, I don't think the bigger, heavier 20° hood will survive the fall to the ground. As long as I bring the telescope inside in the morning before the Sun can shine into it that'll be fine.
#Seestar #SeestarS30Pro #3Dprinting #FreeCAD #SmartTelescope #TMMT #ThirtyMillimetreTelescope
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I got the dimensions of the USB-C jack wrong the first time … :eyeroll: But now everything fits fine. The PCB is held exactly in place by the top lid.
For such #3dprinting projects I like those self-tapering screws for plastics. Once installed in my #velomobile with the right lengthened wires, electronics and speaker enclosures will be closed (the later one w/ glue).
Making enclosures and lids fit was easy w/ binders (offset -0.1mm) in #FreeCAD.
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… from master sketch to main part of the enclosure.
I just started the 3D printer to check if my tolerances fit the electronic component(s).
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… from master sketch to main part of the enclosure.
I just started the 3D printer to check if my tolerances fit the electronic component(s).
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… from master sketch to main part of the enclosure.
I just started the 3D printer to check if my tolerances fit the electronic component(s).
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… from master sketch to main part of the enclosure.
I just started the 3D printer to check if my tolerances fit the electronic component(s).
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… from master sketch to main part of the enclosure.
I just started the 3D printer to check if my tolerances fit the electronic component(s).
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Open source tools like FreeCAD are okay for quick sketches, but the transition from traditional CAD is often overrated. The flexibility is there, but the workflow feels clunky compared to what I used for my projects in Kyiv. Most people push it for the price, but for a real architect, the logic of the space matters more than the software license. It is a tool, not a solution for better design.
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Open source tools like FreeCAD are okay for quick sketches, but the transition from traditional CAD is often overrated. The flexibility is there, but the workflow feels clunky compared to what I used for my projects in Kyiv. Most people push it for the price, but for a real architect, the logic of the space matters more than the software license. It is a tool, not a solution for better design.
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Open source tools like FreeCAD are okay for quick sketches, but the transition from traditional CAD is often overrated. The flexibility is there, but the workflow feels clunky compared to what I used for my projects in Kyiv. Most people push it for the price, but for a real architect, the logic of the space matters more than the software license. It is a tool, not a solution for better design.
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FreeCAD E-Sport Speed Run Challenge at EMF camp 2026
EMF Camp has recently taken place in the UK. This, every two year, festival/hacker camp sees around 4000 people descend on the grounds of Eastnor Castle UK.... #emfcamp #esport #freecad
https://blog.freecad.org/2026/07/27/freecad-e-sport-speed-run-challenge-at-emf-camp-2026/
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Finally upgraded to a vacuum that actually sucks ( 😛 pun intended)
As usual, this called for some #FreeCAD designs to hang everything in place.
more details:
https://www.printables.com/article/bringing-order-to-the-vacuum-3dWKyOdmy models for the #rowenta x-force vacuum:
https://3dprint.social/models/w35tk0prbf7h
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@sheena @linux_mclinuxface you might want to also check out the #trimesh library, and #Python on #FreeCAD and #Blender :)
More ideas at https://github.com/villares/Resources-for-teaching-programming -
My daily CADs are #Plasticity3D, #Moi3d, #FreeCAD #gCAD3D and #Blender3D, for 2D I use #QCAD, I don't use any more Windows since years, #Linux
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Sometimes I try them all but in the end even if #gCAD3D has its flaws it remains the only one that manages to export #STEP or #IGES files that can be opened by #Plasticity, I'm talking about #DXF drawings, I have to do so many of these steps it's incredible that #Moi3D, #FreeCAD or Cad Assistant all fail and a 1.3mb program does the job just fine.
