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i modelled the whole thing in 3d..
see it here! - https://sketchfab.com/show/7a9d3d37eb6947e3aa7d7b45c6125b53
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i think i deserve a printer for thaaat!! please pleases :)

interesting topic.. i don't know if just leaving out the logo will protect you from trouble.. it might considering that Lego themselves copied the peg fitting idea from someone else.. but then those...