Hi, again while reviewing LGEO parts I noticed back in 1997 I did 2852 in LGEO with a bumpy surface as standard slopes have. Of course you cannot see this in LDRAW. Most common version of this part are transparent and have a smooth surface in real (...) (17 years ago, 28-Nov-07, to lugnet.cad.dat.parts)
(...) As far as I can tell, 6139 is the design number of transparent parts, 2582 the number of plain ones. They indeed deserve different numbers in LDraw. Philo (17 years ago, 28-Nov-07, to lugnet.cad.dat.parts)
