[...] What about submarines, spacecraft or land based vehicles such as high speed cars. I don't think the definitions should be so focussed. Then there are these types [...] (49 months ago, May 13, 2020, to Catalog)
[...] I'm working on this now, but I have to say that this whole enterprise of defining categories makes me think very much of this: (URL) :P (49 months ago, May 13, 2020, to Catalog)
A word on plates: Some plates are not complete in the number of studs as to the size of the plate. See for example (Part 92593) or what are currently some parts classed as tiles. [...] (49 months ago, May 13, 2020, to Catalog)
As requested the S and T sections to follow. Quick discussion for slopes: A slope can be viewed as a special modified brick (item with 4 straight sides and studs on top) [...] (49 months ago, May 12, 2020, to Catalog)
