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I've used TinkerCAD (https://www.tinkercad.com/) and was able to easily model objects for 3D printing, despite having no prior experience in 3D modeling. However it needs to be connected to the internet to work, which is not always available at my location. At minimum, I need an ability to create solid shapes and holes, and with resize, align and rotate options.

Is there an equivalent program that's free, with a similar intuitive interface as TinkerCAD, and works completely offline?

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    $\begingroup$ According to our on-topic "Recommendation-based questions really are off-topic, unless very specific indeed - and even then they may still end up being closed." $\endgroup$
    – 0scar ♦
    Commented Apr 4, 2021 at 21:07
  • $\begingroup$ For software recommendations, consider to move or repost to the Software Recommendations SE. Other 3D printer forums are suitable as well, but be prepared to be deluged with a suggestion for every program out there! $\endgroup$
    – fred_dot_u
    Commented Apr 4, 2021 at 21:31
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    $\begingroup$ You could start with some of the recommendations from all3dp.com. $\endgroup$
    – agarza
    Commented Apr 5, 2021 at 2:23
  • $\begingroup$ Without a very specific niche requirement such as 2018-20 Slicer running on a 32 bis OS or similar narrow band, this is highly opinion based and will never have a "best" answer. $\endgroup$
    – Trish
    Commented Apr 5, 2021 at 8:13
  • $\begingroup$ Thanks @agarza. I'll try out a bunch of 3D CAD software.If this question doesn't get shut down, I'll at least post which one worked best from the point of view of someone with limited experience. $\endgroup$
    – plu
    Commented Apr 5, 2021 at 21:37

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I suspect there may be fewer answers than we expect. Personally free software wise I like FreeCAD but it is not similar to the simple shapes of tinkercad at all and not intuitive.

I did know someone who used something from https://www.xyzprinting.com that was very similar to the tinkercad stuff, but eventually ran into limitations and switched to more advanced software anyway.

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From trying out several alternatives (Fusion 360, Wings 3D, Blender, and others), the closest free offline equivalent to TinkerCAD turned out to be OpenSCAD.

It has nowhere near the same level of intuition, but based on info from two tutorials ("OpenSCAD Tutorial - Beginners Quickstart", "OpenSCAD - Model a Bearing in less than ten minutes."), OpenSCAD was able to fulfill the minimum requirements that were needed from TinkerCAD most quickly, i.e.,"...ability to create solid shapes and holes, and with resize, align and rotate options"

enter image description here

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