Axles and connectors redesigned for an easier experience. Axle pieces now have a gap for leniency. Furthermore, connectors now have a gap for tight fitting pieces as well as fillited edges for easier insertion of axles and attaching to pieces. Search using "V2" to find new connectors.
A mega expansion for Thinkfun sets. To date it includes 150+ pieces, from straights, to crosses and L's. To find specific pieces hit ctrl+f while under thing files. Use the following keywords to find pieces(more info under pieces section).
*straight spelled "strait" - for searching