The Playmates line of Next Gen toys came with cool little blueprints.  Here are the ones for the Enterprise-D, the bridge, the transporter and the shuttlecraft.

USS Avenger Class General Plans (David Neilsen, 1983)

“Avenger class” sounds so much more badass than the canon “Miranda class” name that would come along in the 1990′s.

U.S.S. Medusa (Shangri-La Class) Ortho Blueprints by Dave Keeshan

Some sheets from Michael McMaster’s 1975 Book of Klingon Plans: D7 Class Battlecruiser.  These were made in the style of Franz Joseph Schnaubelt’s original Star Trek Blueprints.